diff --git a/ecmarkup.js b/ecmarkup.js
index 0b388b7d..fdfd52d2 100644
--- a/ecmarkup.js
+++ b/ecmarkup.js
@@ -1555,5 +1555,5 @@ document.addEventListener('DOMContentLoaded', () => {
 });
 
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Specification","number":"19"},{"type":"clause","id":"annex-implementation-dependent-behaviour","titleHTML":"Implementation Dependent Behaviour","number":"A"},{"type":"clause","id":"annex-incompatibilities","titleHTML":"Additions and Changes That Introduce Incompatibilities with Prior Editions","number":"B"},{"type":"clause","id":"sec-colophon","titleHTML":"Colophon","number":"C","referencingIds":["_ref_0"]},{"type":"clause","id":"sec-copyright-and-software-license","title":"Copyright & Software License","titleHTML":"Copyright &amp; Software License","number":"D"}]}`);
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diff --git a/index.html b/index.html
index 999a15de..9bc5f3fc 100644
--- a/index.html
+++ b/index.html
@@ -41,7 +41,7 @@
   width: 500px;
 }
 </style>
-<title>ECMAScript® 2024 Internationalization API Specification</title><script src="ecmarkup.js?cache=69yGZDpw" defer=""></script><style>
+<title>ECMAScript® 2024 Internationalization API Specification</title><script src="ecmarkup.js?cache=mwmlVCzR" defer=""></script><style>
     @media print {
       @page :left {
         @bottom-right {
@@ -81,7 +81,7 @@
 </ul></div><div id="menu-toggle"><svg xmlns="http://www.w3.org/2000/svg" style="width:100%; height:100%; stroke:currentColor" viewBox="0 0 120 120" width="54" height="54">
       <title>Menu</title>
       <path stroke-width="10" stroke-linecap="round" d="M30,60 h60  M30,30 m0,5 h60  M30,90 m0,-5 h60"></path>
-    </svg></div><div id="menu-spacer" class="menu-spacer"></div><div id="menu"><div id="menu-search"><input type="text" id="menu-search-box" placeholder="Search..."><div id="menu-search-results" class="inactive"></div></div><div id="menu-pins"><div class="menu-pane-header">Pins<button class="unpin-all">clear</button></div><ul id="menu-pins-list"></ul></div><div class="menu-pane-header">Table of Contents</div><div id="menu-toc"><ol class="toc"><li><span class="item-toggle-none"></span><a href="#introduction" title="Introduction">Introduction</a></li><li><span class="item-toggle-none"></span><a href="#scope" title="Scope"><span class="secnum">1</span> Scope</a></li><li><span class="item-toggle-none"></span><a href="#conformance" title="Conformance"><span class="secnum">2</span> Conformance</a></li><li><span class="item-toggle-none"></span><a href="#normative-references" title="Normative References"><span class="secnum">3</span> Normative References</a></li><li><span class="item-toggle">+</span><a href="#overview" title="Overview"><span class="secnum">4</span> Overview</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-internationalization-localization-globalization" title="Internationalization, Localization, and Globalization"><span class="secnum">4.1</span> Internationalization, Localization, and Globalization</a></li><li><span class="item-toggle-none"></span><a href="#sec-api-overview" title="API Overview"><span class="secnum">4.2</span> API Overview</a></li><li><span class="item-toggle-none"></span><a href="#sec-api-conventions" title="API Conventions"><span class="secnum">4.3</span> API Conventions</a></li><li><span class="item-toggle">+</span><a href="#sec-implementation-dependencies" title="Implementation Dependencies"><span class="secnum">4.4</span> Implementation Dependencies</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-compatibility" title="Compatibility across implementations"><span class="secnum">4.4.1</span> Compatibility across implementations</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#conventions" title="Notational Conventions"><span class="secnum">5</span> Notational Conventions</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-402-well-known-intrinsic-objects" title="Well-Known Intrinsic Objects"><span class="secnum">5.1</span> Well-Known Intrinsic Objects</a></li></ol></li><li><span class="item-toggle">+</span><a href="#locales-currencies-tz" title="Identification of Locales, Currencies, Time Zones, Measurement Units, Numbering Systems, Collations, and Calendars"><span class="secnum">6</span> Identification of Locales, Currencies, Time Zones, Measurement Units, Numbering Systems, Collations, and Calendars</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-case-sensitivity-and-case-mapping" title="Case Sensitivity and Case Mapping"><span class="secnum">6.1</span> Case Sensitivity and Case Mapping</a></li><li><span class="item-toggle">+</span><a href="#sec-language-tags" title="Language Tags"><span class="secnum">6.2</span> Language Tags</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-isstructurallyvalidlanguagetag" title="IsStructurallyValidLanguageTag ( locale )"><span class="secnum">6.2.1</span> IsStructurallyValidLanguageTag ( <var>locale</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-canonicalizeunicodelocaleid" title="CanonicalizeUnicodeLocaleId ( locale )"><span class="secnum">6.2.2</span> CanonicalizeUnicodeLocaleId ( <var>locale</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-defaultlocale" title="DefaultLocale ( )"><span class="secnum">6.2.3</span> DefaultLocale ( )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-currency-codes" title="Currency Codes"><span class="secnum">6.3</span> Currency Codes</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-iswellformedcurrencycode" title="IsWellFormedCurrencyCode ( currency )"><span class="secnum">6.3.1</span> IsWellFormedCurrencyCode ( <var>currency</var> )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-availablecanonicalcurrencies" title="AvailableCanonicalCurrencies ( )"><span class="secnum">6.4</span> AvailableCanonicalCurrencies ( )</a></li><li><span class="item-toggle">+</span><a href="#sec-use-of-iana-time-zone-database" title="Use of the IANA Time Zone Database"><span class="secnum">6.5</span> Use of the IANA Time Zone Database</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-availablenamedtimezoneidentifiers" title="AvailableNamedTimeZoneIdentifiers ( )"><span class="secnum">6.5.1</span> AvailableNamedTimeZoneIdentifiers ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getavailablenamedtimezoneidentifier" title="GetAvailableNamedTimeZoneIdentifier ( timeZoneIdentifier )"><span class="secnum">6.5.2</span> GetAvailableNamedTimeZoneIdentifier ( <var>timeZoneIdentifier</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-availableprimarytimezoneidentifiers" title="AvailablePrimaryTimeZoneIdentifiers ( )"><span class="secnum">6.5.3</span> AvailablePrimaryTimeZoneIdentifiers ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-string-split-to-list" title="StringSplitToList ( S, separator )"><span class="secnum">6.5.4</span> StringSplitToList ( <var>S</var>, <var>separator</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-measurement-unit-identifiers" title="Measurement Unit Identifiers"><span class="secnum">6.6</span> Measurement Unit Identifiers</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-iswellformedunitidentifier" title="IsWellFormedUnitIdentifier ( unitIdentifier )"><span class="secnum">6.6.1</span> IsWellFormedUnitIdentifier ( <var>unitIdentifier</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-issanctionedsingleunitidentifier" title="IsSanctionedSingleUnitIdentifier ( unitIdentifier )"><span class="secnum">6.6.2</span> IsSanctionedSingleUnitIdentifier ( <var>unitIdentifier</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-availablecanonicalunits" title="AvailableCanonicalUnits ( )"><span class="secnum">6.6.3</span> AvailableCanonicalUnits ( )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-numberingsystem-identifiers" title="Numbering System Identifiers"><span class="secnum">6.7</span> Numbering System Identifiers</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-availablecanonicalnumberingsystems" title="AvailableCanonicalNumberingSystems ( )"><span class="secnum">6.7.1</span> AvailableCanonicalNumberingSystems ( )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-collation-types" title="Collation Types"><span class="secnum">6.8</span> Collation Types</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-availablecanonicalcollations" title="AvailableCanonicalCollations ( )"><span class="secnum">6.8.1</span> AvailableCanonicalCollations ( )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-calendar-types" title="Calendar Types"><span class="secnum">6.9</span> Calendar Types</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-availablecalendars" title="AvailableCalendars ( )"><span class="secnum">6.9.1</span> AvailableCalendars ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-pattern-string-types" title="Pattern String Types"><span class="secnum">6.10</span> Pattern String Types</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#requirements" title="Requirements for Standard Built-in ECMAScript Objects"><span class="secnum">7</span> Requirements for Standard Built-in ECMAScript Objects</a></li><li><span class="item-toggle">+</span><a href="#intl-object" title="The Intl Object"><span class="secnum">8</span> The Intl Object</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-value-properties-of-the-intl-object" title="Value Properties of the Intl Object"><span class="secnum">8.1</span> Value Properties of the Intl Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl-%symbol.tostringtag%" title="Intl [ %Symbol.toStringTag% ]"><span class="secnum">8.1.1</span> Intl [ %Symbol.toStringTag% ]</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-constructor-properties-of-the-intl-object" title="Constructor Properties of the Intl Object"><span class="secnum">8.2</span> Constructor Properties of the Intl Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.collator-intro" title="Intl.Collator ( . . . )"><span class="secnum">8.2.1</span> Intl.Collator ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat-intro" title="Intl.DateTimeFormat ( . . . )"><span class="secnum">8.2.2</span> Intl.DateTimeFormat ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.displaynames-intro" title="Intl.DisplayNames ( . . . )"><span class="secnum">8.2.3</span> Intl.DisplayNames ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.listformat-intro" title="Intl.ListFormat ( . . . )"><span class="secnum">8.2.4</span> Intl.ListFormat ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.locale-intro" title="Intl.Locale ( . . . )"><span class="secnum">8.2.5</span> Intl.Locale ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat-intro" title="Intl.NumberFormat ( . . . )"><span class="secnum">8.2.6</span> Intl.NumberFormat ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules-intro" title="Intl.PluralRules ( . . . )"><span class="secnum">8.2.7</span> Intl.PluralRules ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.relativetimeformat-intro" title="Intl.RelativeTimeFormat ( . . . )"><span class="secnum">8.2.8</span> Intl.RelativeTimeFormat ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter-intro" title="Intl.Segmenter ( . . . )"><span class="secnum">8.2.9</span> Intl.Segmenter ( . . . )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-function-properties-of-the-intl-object" title="Function Properties of the Intl Object"><span class="secnum">8.3</span> Function Properties of the Intl Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.getcanonicallocales" title="Intl.getCanonicalLocales ( locales )"><span class="secnum">8.3.1</span> Intl.getCanonicalLocales ( <var>locales</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.supportedvaluesof" title="Intl.supportedValuesOf ( key )"><span class="secnum">8.3.2</span> Intl.supportedValuesOf ( <var>key</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#locale-and-parameter-negotiation" title="Locale and Parameter Negotiation"><span class="secnum">9</span> Locale and Parameter Negotiation</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-internal-slots" title="Internal slots of Service Constructors"><span class="secnum">9.1</span> Internal slots of Service Constructors</a></li><li><span class="item-toggle">+</span><a href="#sec-abstract-operations" title="Abstract Operations"><span class="secnum">9.2</span> Abstract Operations</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-canonicalizelocalelist" title="CanonicalizeLocaleList ( locales )"><span class="secnum">9.2.1</span> CanonicalizeLocaleList ( <var>locales</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-canonicalizeuvalue" title="CanonicalizeUValue ( ukey, uvalue )"><span class="secnum">9.2.2</span> CanonicalizeUValue ( <var>ukey</var>, <var>uvalue</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-lookupmatchinglocalebyprefix" title="LookupMatchingLocaleByPrefix ( availableLocales, requestedLocales )"><span class="secnum">9.2.3</span> LookupMatchingLocaleByPrefix ( <var>availableLocales</var>, <var>requestedLocales</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-lookupmatchinglocalebybestfit" title="LookupMatchingLocaleByBestFit ( availableLocales, requestedLocales )"><span class="secnum">9.2.4</span> LookupMatchingLocaleByBestFit ( <var>availableLocales</var>, <var>requestedLocales</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-unicode-extension-components" title="UnicodeExtensionComponents ( extension )"><span class="secnum">9.2.5</span> UnicodeExtensionComponents ( <var>extension</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-insert-unicode-extension-and-canonicalize" title="InsertUnicodeExtensionAndCanonicalize ( locale, attributes, keywords )"><span class="secnum">9.2.6</span> InsertUnicodeExtensionAndCanonicalize ( <var>locale</var>, <var>attributes</var>, <var>keywords</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-resolvelocale" title="ResolveLocale ( availableLocales, requestedLocales, options, relevantExtensionKeys, localeData )"><span class="secnum">9.2.7</span> ResolveLocale ( <var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var>, <var>relevantExtensionKeys</var>, <var>localeData</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-filterlocales" title="FilterLocales ( availableLocales, requestedLocales, options )"><span class="secnum">9.2.8</span> FilterLocales ( <var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getoptionsobject" title="GetOptionsObject ( options )"><span class="secnum">9.2.9</span> GetOptionsObject ( <var>options</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-coerceoptionstoobject" title="CoerceOptionsToObject ( options )"><span class="secnum">9.2.10</span> CoerceOptionsToObject ( <var>options</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getoption" title="GetOption ( options, property, type, values, default )"><span class="secnum">9.2.11</span> GetOption ( <var>options</var>, <var>property</var>, <var>type</var>, <var>values</var>, <var>default</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getbooleanorstringnumberformatoption" title="GetBooleanOrStringNumberFormatOption ( options, property, stringValues, fallback )"><span class="secnum">9.2.12</span> GetBooleanOrStringNumberFormatOption ( <var>options</var>, <var>property</var>, <var>stringValues</var>, <var>fallback</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-defaultnumberoption" title="DefaultNumberOption ( value, minimum, maximum, fallback )"><span class="secnum">9.2.13</span> DefaultNumberOption ( <var>value</var>, <var>minimum</var>, <var>maximum</var>, <var>fallback</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getnumberoption" title="GetNumberOption ( options, property, minimum, maximum, fallback )"><span class="secnum">9.2.14</span> GetNumberOption ( <var>options</var>, <var>property</var>, <var>minimum</var>, <var>maximum</var>, <var>fallback</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitionpattern" title="PartitionPattern ( pattern )"><span class="secnum">9.2.15</span> PartitionPattern ( <var>pattern</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#collator-objects" title="Collator Objects"><span class="secnum">10</span> Collator Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-the-intl-collator-constructor" title="The Intl.Collator Constructor"><span class="secnum">10.1</span> The Intl.Collator Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.collator" title="Intl.Collator ( [ locales [ , options ] ] )"><span class="secnum">10.1.1</span> Intl.Collator ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-the-intl-collator-constructor" title="Properties of the Intl.Collator Constructor"><span class="secnum">10.2</span> Properties of the Intl.Collator Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.collator.prototype" title="Intl.Collator.prototype"><span class="secnum">10.2.1</span> Intl.Collator.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.collator.supportedlocalesof" title="Intl.Collator.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">10.2.2</span> Intl.Collator.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl-collator-internal-slots" title="Internal slots"><span class="secnum">10.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-the-intl-collator-prototype-object" title="Properties of the Intl.Collator Prototype Object"><span class="secnum">10.3</span> Properties of the Intl.Collator Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.collator.prototype.constructor" title="Intl.Collator.prototype.constructor"><span class="secnum">10.3.1</span> Intl.Collator.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.collator.prototype-%symbol.tostringtag%" title="Intl.Collator.prototype [ %Symbol.toStringTag% ]"><span class="secnum">10.3.2</span> Intl.Collator.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle">+</span><a href="#sec-intl.collator.prototype.compare" title="get Intl.Collator.prototype.compare"><span class="secnum">10.3.3</span> get Intl.Collator.prototype.compare</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-collator-compare-functions" title="Collator Compare Functions"><span class="secnum">10.3.3.1</span> Collator Compare Functions</a></li><li><span class="item-toggle-none"></span><a href="#sec-collator-comparestrings" title="CompareStrings ( collator, x, y )"><span class="secnum">10.3.3.2</span> CompareStrings ( <var>collator</var>, <var>x</var>, <var>y</var> )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-intl.collator.prototype.resolvedoptions" title="Intl.Collator.prototype.resolvedOptions ( )"><span class="secnum">10.3.4</span> Intl.Collator.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-collator-instances" title="Properties of Intl.Collator Instances"><span class="secnum">10.4</span> Properties of Intl.Collator Instances</a></li></ol></li><li><span class="item-toggle">+</span><a href="#datetimeformat-objects" title="DateTimeFormat Objects"><span class="secnum">11</span> DateTimeFormat Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-datetimeformat-constructor" title="The Intl.DateTimeFormat Constructor"><span class="secnum">11.1</span> The Intl.DateTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl.datetimeformat" title="Intl.DateTimeFormat ( [ locales [ , options ] ] )"><span class="secnum">11.1.1</span> Intl.DateTimeFormat ( [ <var>locales</var> [ , <var>options</var> ] ] )</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-chaindatetimeformat" title="ChainDateTimeFormat ( dateTimeFormat, newTarget, this )"><span class="secnum">11.1.1.1</span> ChainDateTimeFormat ( <var>dateTimeFormat</var>, <var>newTarget</var>, <var>this</var> )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-createdatetimeformat" title="CreateDateTimeFormat ( newTarget, locales, options, required, defaults )"><span class="secnum">11.1.2</span> CreateDateTimeFormat ( <var>newTarget</var>, <var>locales</var>, <var>options</var>, <var>required</var>, <var>defaults</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatoffsettimezoneidentifier" title="FormatOffsetTimeZoneIdentifier ( offsetMinutes )"><span class="secnum">11.1.3</span> FormatOffsetTimeZoneIdentifier ( <var>offsetMinutes</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-datetimeformat-constructor" title="Properties of the Intl.DateTimeFormat Constructor"><span class="secnum">11.2</span> Properties of the Intl.DateTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype" title="Intl.DateTimeFormat.prototype"><span class="secnum">11.2.1</span> Intl.DateTimeFormat.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.supportedlocalesof" title="Intl.DateTimeFormat.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">11.2.2</span> Intl.DateTimeFormat.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle">+</span><a href="#sec-intl.datetimeformat-internal-slots" title="Internal slots"><span class="secnum">11.2.3</span> Internal slots</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-format-record" title="DateTime Format Records"><span class="secnum">11.2.3.1</span> DateTime Format Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-range-pattern-record" title="DateTime Range Pattern Records"><span class="secnum">11.2.3.2</span> DateTime Range Pattern Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-range-pattern-format-record" title="DateTime Range Pattern Format Records"><span class="secnum">11.2.3.3</span> DateTime Range Pattern Format Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-range-pattern-part-record" title="DateTime Range Pattern Part Records"><span class="secnum">11.2.3.4</span> DateTime Range Pattern Part Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-styles-record" title="DateTime Styles Records"><span class="secnum">11.2.3.5</span> DateTime Styles Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-style-record" title="DateTime Style Records"><span class="secnum">11.2.3.6</span> DateTime Style Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-connector-record" title="DateTime Connector Records"><span class="secnum">11.2.3.7</span> DateTime Connector Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-date-range-record" title="DateTime Date Range Records"><span class="secnum">11.2.3.8</span> DateTime Date Range Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-time-range-record" title="DateTime Time Range Records"><span class="secnum">11.2.3.9</span> DateTime Time Range Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-style-range-record" title="DateTime Style Range Records"><span class="secnum">11.2.3.10</span> DateTime Style Range Records</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-datetimeformat-prototype-object" title="Properties of the Intl.DateTimeFormat Prototype Object"><span class="secnum">11.3</span> Properties of the Intl.DateTimeFormat Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype.constructor" title="Intl.DateTimeFormat.prototype.constructor"><span class="secnum">11.3.1</span> Intl.DateTimeFormat.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype-%symbol.tostringtag%" title="Intl.DateTimeFormat.prototype [ %Symbol.toStringTag% ]"><span class="secnum">11.3.2</span> Intl.DateTimeFormat.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype.format" title="get Intl.DateTimeFormat.prototype.format"><span class="secnum">11.3.3</span> get Intl.DateTimeFormat.prototype.format</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DateTimeFormat.prototype.formatToParts" title="Intl.DateTimeFormat.prototype.formatToParts ( date )"><span class="secnum">11.3.4</span> Intl.DateTimeFormat.prototype.formatToParts ( <var>date</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype.formatRange" title="Intl.DateTimeFormat.prototype.formatRange ( startDate, endDate )"><span class="secnum">11.3.5</span> Intl.DateTimeFormat.prototype.formatRange ( <var>startDate</var>, <var>endDate</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DateTimeFormat.prototype.formatRangeToParts" title="Intl.DateTimeFormat.prototype.formatRangeToParts ( startDate, endDate )"><span class="secnum">11.3.6</span> Intl.DateTimeFormat.prototype.formatRangeToParts ( <var>startDate</var>, <var>endDate</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype.resolvedoptions" title="Intl.DateTimeFormat.prototype.resolvedOptions ( )"><span class="secnum">11.3.7</span> Intl.DateTimeFormat.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-datetimeformat-instances" title="Properties of Intl.DateTimeFormat Instances"><span class="secnum">11.4</span> Properties of Intl.DateTimeFormat Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-datetimeformat-abstracts" title="Abstract Operations for DateTimeFormat Objects"><span class="secnum">11.5</span> Abstract Operations for DateTimeFormat Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-date-time-style-format" title="DateTimeStyleFormat ( dateStyle, timeStyle, styles )"><span class="secnum">11.5.1</span> DateTimeStyleFormat ( <var>dateStyle</var>, <var>timeStyle</var>, <var>styles</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-basicformatmatcher" title="BasicFormatMatcher ( options, formats )"><span class="secnum">11.5.2</span> BasicFormatMatcher ( <var>options</var>, <var>formats</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-bestfitformatmatcher" title="BestFitFormatMatcher ( options, formats )"><span class="secnum">11.5.3</span> BestFitFormatMatcher ( <var>options</var>, <var>formats</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetime-format-functions" title="DateTime Format Functions"><span class="secnum">11.5.4</span> DateTime Format Functions</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatdatetimepattern" title="FormatDateTimePattern ( dateTimeFormat, format, pattern, epochNanoseconds )"><span class="secnum">11.5.5</span> FormatDateTimePattern ( <var>dateTimeFormat</var>, <var>format</var>, <var>pattern</var>, <var>epochNanoseconds</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitiondatetimepattern" title="PartitionDateTimePattern ( dateTimeFormat, x )"><span class="secnum">11.5.6</span> PartitionDateTimePattern ( <var>dateTimeFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatdatetime" title="FormatDateTime ( dateTimeFormat, x )"><span class="secnum">11.5.7</span> FormatDateTime ( <var>dateTimeFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatdatetimetoparts" title="FormatDateTimeToParts ( dateTimeFormat, x )"><span class="secnum">11.5.8</span> FormatDateTimeToParts ( <var>dateTimeFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitiondatetimerangepattern" title="PartitionDateTimeRangePattern ( dateTimeFormat, x, y )"><span class="secnum">11.5.9</span> PartitionDateTimeRangePattern ( <var>dateTimeFormat</var>, <var>x</var>, <var>y</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatdatetimerange" title="FormatDateTimeRange ( dateTimeFormat, x, y )"><span class="secnum">11.5.10</span> FormatDateTimeRange ( <var>dateTimeFormat</var>, <var>x</var>, <var>y</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatdatetimerangetoparts" title="FormatDateTimeRangeToParts ( dateTimeFormat, x, y )"><span class="secnum">11.5.11</span> FormatDateTimeRangeToParts ( <var>dateTimeFormat</var>, <var>x</var>, <var>y</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-tolocaltime" title="ToLocalTime ( epochNs, calendar, timeZoneIdentifier )"><span class="secnum">11.5.12</span> ToLocalTime ( <var>epochNs</var>, <var>calendar</var>, <var>timeZoneIdentifier</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-tolocaltime-records" title="ToLocalTime Records"><span class="secnum">11.5.13</span> ToLocalTime Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-unwrapdatetimeformat" title="UnwrapDateTimeFormat ( dtf )"><span class="secnum">11.5.14</span> UnwrapDateTimeFormat ( <var>dtf</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#intl-displaynames-objects" title="DisplayNames Objects"><span class="secnum">12</span> DisplayNames Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-displaynames-constructor" title="The Intl.DisplayNames Constructor"><span class="secnum">12.1</span> The Intl.DisplayNames Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames" title="Intl.DisplayNames ( locales, options )"><span class="secnum">12.1.1</span> Intl.DisplayNames ( <var>locales</var>, <var>options</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-displaynames-constructor" title="Properties of the Intl.DisplayNames Constructor"><span class="secnum">12.2</span> Properties of the Intl.DisplayNames Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames.prototype" title="Intl.DisplayNames.prototype"><span class="secnum">12.2.1</span> Intl.DisplayNames.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames.supportedLocalesOf" title="Intl.DisplayNames.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">12.2.2</span> Intl.DisplayNames.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames-internal-slots" title="Internal slots"><span class="secnum">12.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-displaynames-prototype-object" title="Properties of the Intl.DisplayNames Prototype Object"><span class="secnum">12.3</span> Properties of the Intl.DisplayNames Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames.prototype.constructor" title="Intl.DisplayNames.prototype.constructor"><span class="secnum">12.3.1</span> Intl.DisplayNames.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.displaynames.prototype-%symbol.tostringtag%" title="Intl.DisplayNames.prototype [ %Symbol.toStringTag% ]"><span class="secnum">12.3.2</span> Intl.DisplayNames.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames.prototype.of" title="Intl.DisplayNames.prototype.of ( code )"><span class="secnum">12.3.3</span> Intl.DisplayNames.prototype.of ( <var>code</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames.prototype.resolvedOptions" title="Intl.DisplayNames.prototype.resolvedOptions ( )"><span class="secnum">12.3.4</span> Intl.DisplayNames.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-displaynames-instances" title="Properties of Intl.DisplayNames Instances"><span class="secnum">12.4</span> Properties of Intl.DisplayNames Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-intl-displaynames-abstracts" title="Abstract Operations for DisplayNames Objects"><span class="secnum">12.5</span> Abstract Operations for DisplayNames Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-canonicalcodefordisplaynames" title="CanonicalCodeForDisplayNames ( type, code )"><span class="secnum">12.5.1</span> CanonicalCodeForDisplayNames ( <var>type</var>, <var>code</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-isvaliddatetimefieldcode" title="IsValidDateTimeFieldCode ( field )"><span class="secnum">12.5.2</span> IsValidDateTimeFieldCode ( <var>field</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#listformat-objects" title="ListFormat Objects"><span class="secnum">13</span> ListFormat Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-listformat-constructor" title="The Intl.ListFormat Constructor"><span class="secnum">13.1</span> The Intl.ListFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat" title="Intl.ListFormat ( [ locales [ , options ] ] )"><span class="secnum">13.1.1</span> Intl.ListFormat ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-listformat-constructor" title="Properties of the Intl.ListFormat Constructor"><span class="secnum">13.2</span> Properties of the Intl.ListFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype" title="Intl.ListFormat.prototype"><span class="secnum">13.2.1</span> Intl.ListFormat.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.supportedLocalesOf" title="Intl.ListFormat.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">13.2.2</span> Intl.ListFormat.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat-internal-slots" title="Internal slots"><span class="secnum">13.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-listformat-prototype-object" title="Properties of the Intl.ListFormat Prototype Object"><span class="secnum">13.3</span> Properties of the Intl.ListFormat Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype.constructor" title="Intl.ListFormat.prototype.constructor"><span class="secnum">13.3.1</span> Intl.ListFormat.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype-toStringTag" title="Intl.ListFormat.prototype [ %Symbol.toStringTag% ]"><span class="secnum">13.3.2</span> Intl.ListFormat.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype.format" title="Intl.ListFormat.prototype.format ( list )"><span class="secnum">13.3.3</span> Intl.ListFormat.prototype.format ( <var>list</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype.formatToParts" title="Intl.ListFormat.prototype.formatToParts ( list )"><span class="secnum">13.3.4</span> Intl.ListFormat.prototype.formatToParts ( <var>list</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype.resolvedoptions" title="Intl.ListFormat.prototype.resolvedOptions ( )"><span class="secnum">13.3.5</span> Intl.ListFormat.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-listformat-instances" title="Properties of Intl.ListFormat Instances"><span class="secnum">13.4</span> Properties of Intl.ListFormat Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-intl-listformat-abstracts" title="Abstract Operations for ListFormat Objects"><span class="secnum">13.5</span> Abstract Operations for ListFormat Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-deconstructpattern" title="DeconstructPattern ( pattern, placeables )"><span class="secnum">13.5.1</span> DeconstructPattern ( <var>pattern</var>, <var>placeables</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-createpartsfromlist" title="CreatePartsFromList ( listFormat, list )"><span class="secnum">13.5.2</span> CreatePartsFromList ( <var>listFormat</var>, <var>list</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatlist" title="FormatList ( listFormat, list )"><span class="secnum">13.5.3</span> FormatList ( <var>listFormat</var>, <var>list</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatlisttoparts" title="FormatListToParts ( listFormat, list )"><span class="secnum">13.5.4</span> FormatListToParts ( <var>listFormat</var>, <var>list</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-createstringlistfromiterable" title="StringListFromIterable ( iterable )"><span class="secnum">13.5.5</span> StringListFromIterable ( <var>iterable</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#locale-objects" title="Locale Objects"><span class="secnum">14</span> Locale Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-locale-constructor" title="The Intl.Locale Constructor"><span class="secnum">14.1</span> The Intl.Locale Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale" title="Intl.Locale ( tag [ , options ] )"><span class="secnum">14.1.1</span> Intl.Locale ( <var>tag</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-updatelanguageid" title="UpdateLanguageId ( tag, options )"><span class="secnum">14.1.2</span> UpdateLanguageId ( <var>tag</var>, <var>options</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-makelocalerecord" title="MakeLocaleRecord ( tag, options, localeExtensionKeys )"><span class="secnum">14.1.3</span> MakeLocaleRecord ( <var>tag</var>, <var>options</var>, <var>localeExtensionKeys</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-locale-constructor" title="Properties of the Intl.Locale Constructor"><span class="secnum">14.2</span> Properties of the Intl.Locale Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype" title="Intl.Locale.prototype"><span class="secnum">14.2.1</span> Intl.Locale.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.locale-internal-slots" title="Internal slots"><span class="secnum">14.2.2</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-locale-prototype-object" title="Properties of the Intl.Locale Prototype Object"><span class="secnum">14.3</span> Properties of the Intl.Locale Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.constructor" title="Intl.Locale.prototype.constructor"><span class="secnum">14.3.1</span> Intl.Locale.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.locale.prototype-%symbol.tostringtag%" title="Intl.Locale.prototype [ %Symbol.toStringTag% ]"><span class="secnum">14.3.2</span> Intl.Locale.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.maximize" title="Intl.Locale.prototype.maximize ( )"><span class="secnum">14.3.3</span> Intl.Locale.prototype.maximize ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.minimize" title="Intl.Locale.prototype.minimize ( )"><span class="secnum">14.3.4</span> Intl.Locale.prototype.minimize ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.toString" title="Intl.Locale.prototype.toString ( )"><span class="secnum">14.3.5</span> Intl.Locale.prototype.toString ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.baseName" title="get Intl.Locale.prototype.baseName"><span class="secnum">14.3.6</span> get Intl.Locale.prototype.baseName</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.calendar" title="get Intl.Locale.prototype.calendar"><span class="secnum">14.3.7</span> get Intl.Locale.prototype.calendar</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.caseFirst" title="get Intl.Locale.prototype.caseFirst"><span class="secnum">14.3.8</span> get Intl.Locale.prototype.caseFirst</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.collation" title="get Intl.Locale.prototype.collation"><span class="secnum">14.3.9</span> get Intl.Locale.prototype.collation</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.hourCycle" title="get Intl.Locale.prototype.hourCycle"><span class="secnum">14.3.10</span> get Intl.Locale.prototype.hourCycle</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.numeric" title="get Intl.Locale.prototype.numeric"><span class="secnum">14.3.11</span> get Intl.Locale.prototype.numeric</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.numberingSystem" title="get Intl.Locale.prototype.numberingSystem"><span class="secnum">14.3.12</span> get Intl.Locale.prototype.numberingSystem</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.language" title="get Intl.Locale.prototype.language"><span class="secnum">14.3.13</span> get Intl.Locale.prototype.language</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.script" title="get Intl.Locale.prototype.script"><span class="secnum">14.3.14</span> get Intl.Locale.prototype.script</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.region" title="get Intl.Locale.prototype.region"><span class="secnum">14.3.15</span> get Intl.Locale.prototype.region</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-locale-instances" title="Properties of Intl.Locale Instances"><span class="secnum">14.4</span> Properties of Intl.Locale Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-intl-locale-abstracts" title="Abstract Operations for Locale Objects"><span class="secnum">14.5</span> Abstract Operations for Locale Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-getlocalelanguage" title="GetLocaleLanguage ( locale )"><span class="secnum">14.5.1</span> GetLocaleLanguage ( <var>locale</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getlocalescript" title="GetLocaleScript ( locale )"><span class="secnum">14.5.2</span> GetLocaleScript ( <var>locale</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getlocaleregion" title="GetLocaleRegion ( locale )"><span class="secnum">14.5.3</span> GetLocaleRegion ( <var>locale</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getlocalevariants" title="GetLocaleVariants ( locale )"><span class="secnum">14.5.4</span> GetLocaleVariants ( <var>locale</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#numberformat-objects" title="NumberFormat Objects"><span class="secnum">15</span> NumberFormat Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-numberformat-constructor" title="The Intl.NumberFormat Constructor"><span class="secnum">15.1</span> The Intl.NumberFormat Constructor</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl.numberformat" title="Intl.NumberFormat ( [ locales [ , options ] ] )"><span class="secnum">15.1.1</span> Intl.NumberFormat ( [ <var>locales</var> [ , <var>options</var> ] ] )</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-chainnumberformat" title="ChainNumberFormat ( numberFormat, newTarget, this )"><span class="secnum">15.1.1.1</span> ChainNumberFormat ( <var>numberFormat</var>, <var>newTarget</var>, <var>this</var> )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-setnfdigitoptions" title="SetNumberFormatDigitOptions ( intlObj, options, mnfdDefault, mxfdDefault, notation )"><span class="secnum">15.1.2</span> SetNumberFormatDigitOptions ( <var>intlObj</var>, <var>options</var>, <var>mnfdDefault</var>, <var>mxfdDefault</var>, <var>notation</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-setnumberformatunitoptions" title="SetNumberFormatUnitOptions ( intlObj, options )"><span class="secnum">15.1.3</span> SetNumberFormatUnitOptions ( <var>intlObj</var>, <var>options</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-numberformat-constructor" title="Properties of the Intl.NumberFormat Constructor"><span class="secnum">15.2</span> Properties of the Intl.NumberFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype" title="Intl.NumberFormat.prototype"><span class="secnum">15.2.1</span> Intl.NumberFormat.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.supportedlocalesof" title="Intl.NumberFormat.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">15.2.2</span> Intl.NumberFormat.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat-internal-slots" title="Internal slots"><span class="secnum">15.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-numberformat-prototype-object" title="Properties of the Intl.NumberFormat Prototype Object"><span class="secnum">15.3</span> Properties of the Intl.NumberFormat Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.constructor" title="Intl.NumberFormat.prototype.constructor"><span class="secnum">15.3.1</span> Intl.NumberFormat.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype-%symbol.tostringtag%" title="Intl.NumberFormat.prototype [ %Symbol.toStringTag% ]"><span class="secnum">15.3.2</span> Intl.NumberFormat.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.format" title="get Intl.NumberFormat.prototype.format"><span class="secnum">15.3.3</span> get Intl.NumberFormat.prototype.format</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.formattoparts" title="Intl.NumberFormat.prototype.formatToParts ( value )"><span class="secnum">15.3.4</span> Intl.NumberFormat.prototype.formatToParts ( <var>value</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.formatrange" title="Intl.NumberFormat.prototype.formatRange ( start, end )"><span class="secnum">15.3.5</span> Intl.NumberFormat.prototype.formatRange ( <var>start</var>, <var>end</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.formatrangetoparts" title="Intl.NumberFormat.prototype.formatRangeToParts ( start, end )"><span class="secnum">15.3.6</span> Intl.NumberFormat.prototype.formatRangeToParts ( <var>start</var>, <var>end</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.resolvedoptions" title="Intl.NumberFormat.prototype.resolvedOptions ( )"><span class="secnum">15.3.7</span> Intl.NumberFormat.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-numberformat-instances" title="Properties of Intl.NumberFormat Instances"><span class="secnum">15.4</span> Properties of Intl.NumberFormat Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-numberformat-abstracts" title="Abstract Operations for NumberFormat Objects"><span class="secnum">15.5</span> Abstract Operations for NumberFormat Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-currencydigits" title="CurrencyDigits ( currency )"><span class="secnum">15.5.1</span> CurrencyDigits ( <var>currency</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-number-format-functions" title="Number Format Functions"><span class="secnum">15.5.2</span> Number Format Functions</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatnumberstring" title="FormatNumericToString ( intlObject, x )"><span class="secnum">15.5.3</span> FormatNumericToString ( <var>intlObject</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitionnumberpattern" title="PartitionNumberPattern ( numberFormat, x )"><span class="secnum">15.5.4</span> PartitionNumberPattern ( <var>numberFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitionnotationsubpattern" title="PartitionNotationSubPattern ( numberFormat, x, n, exponent )"><span class="secnum">15.5.5</span> PartitionNotationSubPattern ( <var>numberFormat</var>, <var>x</var>, <var>n</var>, <var>exponent</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatnumber" title="FormatNumeric ( numberFormat, x )"><span class="secnum">15.5.6</span> FormatNumeric ( <var>numberFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatnumbertoparts" title="FormatNumericToParts ( numberFormat, x )"><span class="secnum">15.5.7</span> FormatNumericToParts ( <var>numberFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-torawprecision" title="ToRawPrecision ( x, minPrecision, maxPrecision, unsignedRoundingMode )"><span class="secnum">15.5.8</span> ToRawPrecision ( <var>x</var>, <var>minPrecision</var>, <var>maxPrecision</var>, <var>unsignedRoundingMode</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-torawfixed" title="ToRawFixed ( x, minFraction, maxFraction, roundingIncrement, unsignedRoundingMode )"><span class="secnum">15.5.9</span> ToRawFixed ( <var>x</var>, <var>minFraction</var>, <var>maxFraction</var>, <var>roundingIncrement</var>, <var>unsignedRoundingMode</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-unwrapnumberformat" title="UnwrapNumberFormat ( nf )"><span class="secnum">15.5.10</span> UnwrapNumberFormat ( <var>nf</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getnumberformatpattern" title="GetNumberFormatPattern ( numberFormat, x )"><span class="secnum">15.5.11</span> GetNumberFormatPattern ( <var>numberFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getnotationsubpattern" title="GetNotationSubPattern ( numberFormat, exponent )"><span class="secnum">15.5.12</span> GetNotationSubPattern ( <var>numberFormat</var>, <var>exponent</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-computeexponent" title="ComputeExponent ( numberFormat, x )"><span class="secnum">15.5.13</span> ComputeExponent ( <var>numberFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-computeexponentformagnitude" title="ComputeExponentForMagnitude ( numberFormat, magnitude )"><span class="secnum">15.5.14</span> ComputeExponentForMagnitude ( <var>numberFormat</var>, <var>magnitude</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-runtime-semantics-stringintlmv" title="Runtime Semantics: StringIntlMV"><span class="secnum">15.5.15</span> RS: StringIntlMV</a></li><li><span class="item-toggle-none"></span><a href="#sec-tointlmathematicalvalue" title="ToIntlMathematicalValue ( value )"><span class="secnum">15.5.16</span> ToIntlMathematicalValue ( <var>value</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getunsignedroundingmode" title="GetUnsignedRoundingMode ( roundingMode, sign )"><span class="secnum">15.5.17</span> GetUnsignedRoundingMode ( <var>roundingMode</var>, <var>sign</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-applyunsignedroundingmode" title="ApplyUnsignedRoundingMode ( x, r1, r2, unsignedRoundingMode )"><span class="secnum">15.5.18</span> ApplyUnsignedRoundingMode ( <var>x</var>, <var>r1</var>, <var>r2</var>, <var>unsignedRoundingMode</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitionnumberrangepattern" title="PartitionNumberRangePattern ( numberFormat, x, y )"><span class="secnum">15.5.19</span> PartitionNumberRangePattern ( <var>numberFormat</var>, <var>x</var>, <var>y</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatapproximately" title="FormatApproximately ( numberFormat, result )"><span class="secnum">15.5.20</span> FormatApproximately ( <var>numberFormat</var>, <var>result</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-collapsenumberrange" title="CollapseNumberRange ( result )"><span class="secnum">15.5.21</span> CollapseNumberRange ( <var>result</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatnumericrange" title="FormatNumericRange ( numberFormat, x, y )"><span class="secnum">15.5.22</span> FormatNumericRange ( <var>numberFormat</var>, <var>x</var>, <var>y</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatnumericrangetoparts" title="FormatNumericRangeToParts ( numberFormat, x, y )"><span class="secnum">15.5.23</span> FormatNumericRangeToParts ( <var>numberFormat</var>, <var>x</var>, <var>y</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#pluralrules-objects" title="PluralRules Objects"><span class="secnum">16</span> PluralRules Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-pluralrules-constructor" title="The Intl.PluralRules Constructor"><span class="secnum">16.1</span> The Intl.PluralRules Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules" title="Intl.PluralRules ( [ locales [ , options ] ] )"><span class="secnum">16.1.1</span> Intl.PluralRules ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-pluralrules-constructor" title="Properties of the Intl.PluralRules Constructor"><span class="secnum">16.2</span> Properties of the Intl.PluralRules Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype" title="Intl.PluralRules.prototype"><span class="secnum">16.2.1</span> Intl.PluralRules.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.supportedlocalesof" title="Intl.PluralRules.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">16.2.2</span> Intl.PluralRules.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules-internal-slots" title="Internal slots"><span class="secnum">16.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-pluralrules-prototype-object" title="Properties of the Intl.PluralRules Prototype Object"><span class="secnum">16.3</span> Properties of the Intl.PluralRules Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype.constructor" title="Intl.PluralRules.prototype.constructor"><span class="secnum">16.3.1</span> Intl.PluralRules.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype-%symbol.tostringtag%" title="Intl.PluralRules.prototype [ %Symbol.toStringTag% ]"><span class="secnum">16.3.2</span> Intl.PluralRules.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype.select" title="Intl.PluralRules.prototype.select ( value )"><span class="secnum">16.3.3</span> Intl.PluralRules.prototype.select ( <var>value</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype.selectrange" title="Intl.PluralRules.prototype.selectRange ( start, end )"><span class="secnum">16.3.4</span> Intl.PluralRules.prototype.selectRange ( <var>start</var>, <var>end</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype.resolvedoptions" title="Intl.PluralRules.prototype.resolvedOptions ( )"><span class="secnum">16.3.5</span> Intl.PluralRules.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-pluralrules-instances" title="Properties of Intl.PluralRules Instances"><span class="secnum">16.4</span> Properties of Intl.PluralRules Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-intl-pluralrules-abstracts" title="Abstract Operations for PluralRules Objects"><span class="secnum">16.5</span> Abstract Operations for PluralRules Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-getoperands" title="GetOperands ( s )"><span class="secnum">16.5.1</span> GetOperands ( <var>s</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-plural-rules-operands-records" title="Plural Rules Operands Records"><span class="secnum">16.5.2</span> Plural Rules Operands Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-pluralruleselect" title="PluralRuleSelect ( locale, type, n, operands )"><span class="secnum">16.5.3</span> PluralRuleSelect ( <var>locale</var>, <var>type</var>, <var>n</var>, <var>operands</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-resolveplural" title="ResolvePlural ( pluralRules, n )"><span class="secnum">16.5.4</span> ResolvePlural ( <var>pluralRules</var>, <var>n</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-pluralruleselectrange" title="PluralRuleSelectRange ( locale, type, xp, yp )"><span class="secnum">16.5.5</span> PluralRuleSelectRange ( <var>locale</var>, <var>type</var>, <var>xp</var>, <var>yp</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-resolvepluralrange" title="ResolvePluralRange ( pluralRules, x, y )"><span class="secnum">16.5.6</span> ResolvePluralRange ( <var>pluralRules</var>, <var>x</var>, <var>y</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#relativetimeformat-objects" title="RelativeTimeFormat Objects"><span class="secnum">17</span> RelativeTimeFormat Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-relativetimeformat-constructor" title="The Intl.RelativeTimeFormat Constructor"><span class="secnum">17.1</span> The Intl.RelativeTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat" title="Intl.RelativeTimeFormat ( [ locales [ , options ] ] )"><span class="secnum">17.1.1</span> Intl.RelativeTimeFormat ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-relativetimeformat-constructor" title="Properties of the Intl.RelativeTimeFormat Constructor"><span class="secnum">17.2</span> Properties of the Intl.RelativeTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.prototype" title="Intl.RelativeTimeFormat.prototype"><span class="secnum">17.2.1</span> Intl.RelativeTimeFormat.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.supportedLocalesOf" title="Intl.RelativeTimeFormat.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">17.2.2</span> Intl.RelativeTimeFormat.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat-internal-slots" title="Internal slots"><span class="secnum">17.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-relativetimeformat-prototype-object" title="Properties of the Intl.RelativeTimeFormat Prototype Object"><span class="secnum">17.3</span> Properties of the Intl.RelativeTimeFormat Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.prototype.constructor" title="Intl.RelativeTimeFormat.prototype.constructor"><span class="secnum">17.3.1</span> Intl.RelativeTimeFormat.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.prototype-toStringTag" title="Intl.RelativeTimeFormat.prototype [ %Symbol.toStringTag% ]"><span class="secnum">17.3.2</span> Intl.RelativeTimeFormat.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.prototype.format" title="Intl.RelativeTimeFormat.prototype.format ( value, unit )"><span class="secnum">17.3.3</span> Intl.RelativeTimeFormat.prototype.format ( <var>value</var>, <var>unit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.prototype.formatToParts" title="Intl.RelativeTimeFormat.prototype.formatToParts ( value, unit )"><span class="secnum">17.3.4</span> Intl.RelativeTimeFormat.prototype.formatToParts ( <var>value</var>, <var>unit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.relativetimeformat.prototype.resolvedoptions" title="Intl.RelativeTimeFormat.prototype.resolvedOptions ( )"><span class="secnum">17.3.5</span> Intl.RelativeTimeFormat.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-relativetimeformat-instances" title="Properties of Intl.RelativeTimeFormat Instances"><span class="secnum">17.4</span> Properties of Intl.RelativeTimeFormat Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-intl-relativetimeformat--abstracts" title="Abstract Operations for RelativeTimeFormat Objects"><span class="secnum">17.5</span> Abstract Operations for RelativeTimeFormat Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-singularrelativetimeunit" title="SingularRelativeTimeUnit ( unit )"><span class="secnum">17.5.1</span> SingularRelativeTimeUnit ( <var>unit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-PartitionRelativeTimePattern" title="PartitionRelativeTimePattern ( relativeTimeFormat, value, unit )"><span class="secnum">17.5.2</span> PartitionRelativeTimePattern ( <var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-makepartslist" title="MakePartsList ( pattern, unit, parts )"><span class="secnum">17.5.3</span> MakePartsList ( <var>pattern</var>, <var>unit</var>, <var>parts</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-FormatRelativeTime" title="FormatRelativeTime ( relativeTimeFormat, value, unit )"><span class="secnum">17.5.4</span> FormatRelativeTime ( <var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-FormatRelativeTimeToParts" title="FormatRelativeTimeToParts ( relativeTimeFormat, value, unit )"><span class="secnum">17.5.5</span> FormatRelativeTimeToParts ( <var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#segmenter-objects" title="Segmenter Objects"><span class="secnum">18</span> Segmenter Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-segmenter-constructor" title="The Intl.Segmenter Constructor"><span class="secnum">18.1</span> The Intl.Segmenter Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter" title="Intl.Segmenter ( [ locales [ , options ] ] )"><span class="secnum">18.1.1</span> Intl.Segmenter ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-segmenter-constructor" title="Properties of the Intl.Segmenter Constructor"><span class="secnum">18.2</span> Properties of the Intl.Segmenter Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.prototype" title="Intl.Segmenter.prototype"><span class="secnum">18.2.1</span> Intl.Segmenter.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.supportedlocalesof" title="Intl.Segmenter.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">18.2.2</span> Intl.Segmenter.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter-internal-slots" title="Internal slots"><span class="secnum">18.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-segmenter-prototype-object" title="Properties of the Intl.Segmenter Prototype Object"><span class="secnum">18.3</span> Properties of the Intl.Segmenter Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.prototype.constructor" title="Intl.Segmenter.prototype.constructor"><span class="secnum">18.3.1</span> Intl.Segmenter.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.prototype-%symbol.tostringtag%" title="Intl.Segmenter.prototype [ %Symbol.toStringTag% ]"><span class="secnum">18.3.2</span> Intl.Segmenter.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.prototype.segment" title="Intl.Segmenter.prototype.segment ( string )"><span class="secnum">18.3.3</span> Intl.Segmenter.prototype.segment ( <var>string</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.prototype.resolvedoptions" title="Intl.Segmenter.prototype.resolvedOptions ( )"><span class="secnum">18.3.4</span> Intl.Segmenter.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-segmenter-instances" title="Properties of Intl.Segmenter Instances"><span class="secnum">18.4</span> Properties of Intl.Segmenter Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-segments-objects" title="Segments Objects"><span class="secnum">18.5</span> Segments Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-createsegmentsobject" title="CreateSegmentsObject ( segmenter, string )"><span class="secnum">18.5.1</span> CreateSegmentsObject ( <var>segmenter</var>, <var>string</var> )</a></li><li><span class="item-toggle">+</span><a href="#sec-%intlsegmentsprototype%-object" title="The %IntlSegmentsPrototype% Object"><span class="secnum">18.5.2</span> The %IntlSegmentsPrototype% Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-%intlsegmentsprototype%.containing" title="%IntlSegmentsPrototype%.containing ( index )"><span class="secnum">18.5.2.1</span> %IntlSegmentsPrototype%.containing ( <var>index</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-%intlsegmentsprototype%-%symbol.iterator%" title="%IntlSegmentsPrototype% [ %Symbol.iterator% ] ( )"><span class="secnum">18.5.2.2</span> %IntlSegmentsPrototype% [ %Symbol.iterator% ] ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-segments-instances" title="Properties of Segments Instances"><span class="secnum">18.5.3</span> Properties of Segments Instances</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-segment-iterator-objects" title="Segment Iterator Objects"><span class="secnum">18.6</span> Segment Iterator Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-createsegmentiterator" title="CreateSegmentIterator ( segmenter, string )"><span class="secnum">18.6.1</span> CreateSegmentIterator ( <var>segmenter</var>, <var>string</var> )</a></li><li><span class="item-toggle">+</span><a href="#sec-%intlsegmentiteratorprototype%-object" title="The %IntlSegmentIteratorPrototype% Object"><span class="secnum">18.6.2</span> The %IntlSegmentIteratorPrototype% Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-%intlsegmentiteratorprototype%.next" title="%IntlSegmentIteratorPrototype%.next ( )"><span class="secnum">18.6.2.1</span> %IntlSegmentIteratorPrototype%.next ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-%intlsegmentiteratorprototype%.%symbol.tostringtag%" title="%IntlSegmentIteratorPrototype% [ %Symbol.toStringTag% ]"><span class="secnum">18.6.2.2</span> %IntlSegmentIteratorPrototype% [ %Symbol.toStringTag% ]</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-segment-iterator-instances" title="Properties of Segment Iterator Instances"><span class="secnum">18.6.3</span> Properties of Segment Iterator Instances</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-segment-data-objects" title="Segment Data Objects"><span class="secnum">18.7</span> Segment Data Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-createsegmentdataobject" title="CreateSegmentDataObject ( segmenter, string, startIndex, endIndex )"><span class="secnum">18.7.1</span> CreateSegmentDataObject ( <var>segmenter</var>, <var>string</var>, <var>startIndex</var>, <var>endIndex</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-intl-segmenter-abstracts" title="Abstract Operations for Segmenter Objects"><span class="secnum">18.8</span> Abstract Operations for Segmenter Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-findboundary" title="FindBoundary ( segmenter, string, startIndex, direction )"><span class="secnum">18.8.1</span> FindBoundary ( <var>segmenter</var>, <var>string</var>, <var>startIndex</var>, <var>direction</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#locale-sensitive-functions" title="Locale Sensitive Functions of the ECMAScript Language Specification"><span class="secnum">19</span> Locale Sensitive Functions of the ECMAScript Language Specification</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sup-properties-of-the-string-prototype-object" title="Properties of the String Prototype Object"><span class="secnum">19.1</span> Properties of the String Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-String.prototype.localeCompare" title="String.prototype.localeCompare ( that [ , locales [ , options ] ] )"><span class="secnum">19.1.1</span> String.prototype.localeCompare ( <var>that</var> [ , <var>locales</var> [ , <var>options</var> ] ] )</a></li><li><span class="item-toggle">+</span><a href="#sup-string.prototype.tolocalelowercase" title="String.prototype.toLocaleLowerCase ( [ locales ] )"><span class="secnum">19.1.2</span> String.prototype.toLocaleLowerCase ( [ <var>locales</var> ] )</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-transform-case" title="TransformCase ( S, locales, targetCase )"><span class="secnum">19.1.2.1</span> TransformCase ( <var>S</var>, <var>locales</var>, <var>targetCase</var> )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sup-string.prototype.tolocaleuppercase" title="String.prototype.toLocaleUpperCase ( [ locales ] )"><span class="secnum">19.1.3</span> String.prototype.toLocaleUpperCase ( [ <var>locales</var> ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sup-properties-of-the-number-prototype-object" title="Properties of the Number Prototype Object"><span class="secnum">19.2</span> Properties of the Number Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-number.prototype.tolocalestring" title="Number.prototype.toLocaleString ( [ locales [ , options ] ] )"><span class="secnum">19.2.1</span> Number.prototype.toLocaleString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sup-properties-of-the-bigint-prototype-object" title="Properties of the BigInt Prototype Object"><span class="secnum">19.3</span> Properties of the BigInt Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-bigint.prototype.tolocalestring" title="BigInt.prototype.toLocaleString ( [ locales [ , options ] ] )"><span class="secnum">19.3.1</span> BigInt.prototype.toLocaleString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sup-properties-of-the-date-prototype-object" title="Properties of the Date Prototype Object"><span class="secnum">19.4</span> Properties of the Date Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-date.prototype.tolocalestring" title="Date.prototype.toLocaleString ( [ locales [ , options ] ] )"><span class="secnum">19.4.1</span> Date.prototype.toLocaleString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li><li><span class="item-toggle-none"></span><a href="#sup-date.prototype.tolocaledatestring" title="Date.prototype.toLocaleDateString ( [ locales [ , options ] ] )"><span class="secnum">19.4.2</span> Date.prototype.toLocaleDateString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li><li><span class="item-toggle-none"></span><a href="#sup-date.prototype.tolocaletimestring" title="Date.prototype.toLocaleTimeString ( [ locales [ , options ] ] )"><span class="secnum">19.4.3</span> Date.prototype.toLocaleTimeString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sup-properties-of-the-array-prototype-object" title="Properties of the Array Prototype Object"><span class="secnum">19.5</span> Properties of the Array Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-array.prototype.tolocalestring" title="Array.prototype.toLocaleString ( [ locales [ , options ] ] )"><span class="secnum">19.5.1</span> Array.prototype.toLocaleString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li></ol></li><li><span class="item-toggle-none"></span><a href="#annex-implementation-dependent-behaviour" title="Implementation Dependent Behaviour"><span class="secnum">A</span> Implementation Dependent Behaviour</a></li><li><span class="item-toggle-none"></span><a href="#annex-incompatibilities" title="Additions and Changes That Introduce Incompatibilities with Prior Editions"><span class="secnum">B</span> Additions and Changes That Introduce Incompatibilities with Prior Editions</a></li><li><span class="item-toggle-none"></span><a href="#sec-colophon" title="Colophon"><span class="secnum">C</span> Colophon</a></li><li><span class="item-toggle-none"></span><a href="#sec-copyright-and-software-license" title="Copyright &amp; Software License"><span class="secnum">D</span> Copyright &amp; Software License</a></li></ol></div></div><div id="spec-container"><h1 class="version">Draft ECMA-402 / August 22, 2024</h1><h1 class="title">ECMAScript® 2024 Internationalization API Specification</h1>
+    </svg></div><div id="menu-spacer" class="menu-spacer"></div><div id="menu"><div id="menu-search"><input type="text" id="menu-search-box" placeholder="Search..."><div id="menu-search-results" class="inactive"></div></div><div id="menu-pins"><div class="menu-pane-header">Pins<button class="unpin-all">clear</button></div><ul id="menu-pins-list"></ul></div><div class="menu-pane-header">Table of Contents</div><div id="menu-toc"><ol class="toc"><li><span class="item-toggle-none"></span><a href="#introduction" title="Introduction">Introduction</a></li><li><span class="item-toggle-none"></span><a href="#scope" title="Scope"><span class="secnum">1</span> Scope</a></li><li><span class="item-toggle-none"></span><a href="#conformance" title="Conformance"><span class="secnum">2</span> Conformance</a></li><li><span class="item-toggle-none"></span><a href="#normative-references" title="Normative References"><span class="secnum">3</span> Normative References</a></li><li><span class="item-toggle">+</span><a href="#overview" title="Overview"><span class="secnum">4</span> Overview</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-internationalization-localization-globalization" title="Internationalization, Localization, and Globalization"><span class="secnum">4.1</span> Internationalization, Localization, and Globalization</a></li><li><span class="item-toggle-none"></span><a href="#sec-api-overview" title="API Overview"><span class="secnum">4.2</span> API Overview</a></li><li><span class="item-toggle-none"></span><a href="#sec-api-conventions" title="API Conventions"><span class="secnum">4.3</span> API Conventions</a></li><li><span class="item-toggle">+</span><a href="#sec-implementation-dependencies" title="Implementation Dependencies"><span class="secnum">4.4</span> Implementation Dependencies</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-compatibility" title="Compatibility across implementations"><span class="secnum">4.4.1</span> Compatibility across implementations</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#conventions" title="Notational Conventions"><span class="secnum">5</span> Notational Conventions</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-402-well-known-intrinsic-objects" title="Well-Known Intrinsic Objects"><span class="secnum">5.1</span> Well-Known Intrinsic Objects</a></li></ol></li><li><span class="item-toggle">+</span><a href="#locales-currencies-tz" title="Identification of Locales, Currencies, Time Zones, Measurement Units, Numbering Systems, Collations, and Calendars"><span class="secnum">6</span> Identification of Locales, Currencies, Time Zones, Measurement Units, Numbering Systems, Collations, and Calendars</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-case-sensitivity-and-case-mapping" title="Case Sensitivity and Case Mapping"><span class="secnum">6.1</span> Case Sensitivity and Case Mapping</a></li><li><span class="item-toggle">+</span><a href="#sec-language-tags" title="Language Tags"><span class="secnum">6.2</span> Language Tags</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-isstructurallyvalidlanguagetag" title="IsStructurallyValidLanguageTag ( locale )"><span class="secnum">6.2.1</span> IsStructurallyValidLanguageTag ( <var>locale</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-canonicalizeunicodelocaleid" title="CanonicalizeUnicodeLocaleId ( locale )"><span class="secnum">6.2.2</span> CanonicalizeUnicodeLocaleId ( <var>locale</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-defaultlocale" title="DefaultLocale ( )"><span class="secnum">6.2.3</span> DefaultLocale ( )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-currency-codes" title="Currency Codes"><span class="secnum">6.3</span> Currency Codes</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-iswellformedcurrencycode" title="IsWellFormedCurrencyCode ( currency )"><span class="secnum">6.3.1</span> IsWellFormedCurrencyCode ( <var>currency</var> )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-availablecanonicalcurrencies" title="AvailableCanonicalCurrencies ( )"><span class="secnum">6.4</span> AvailableCanonicalCurrencies ( )</a></li><li><span class="item-toggle">+</span><a href="#sec-use-of-iana-time-zone-database" title="Use of the IANA Time Zone Database"><span class="secnum">6.5</span> Use of the IANA Time Zone Database</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-availablenamedtimezoneidentifiers" title="AvailableNamedTimeZoneIdentifiers ( )"><span class="secnum">6.5.1</span> AvailableNamedTimeZoneIdentifiers ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getavailablenamedtimezoneidentifier" title="GetAvailableNamedTimeZoneIdentifier ( timeZoneIdentifier )"><span class="secnum">6.5.2</span> GetAvailableNamedTimeZoneIdentifier ( <var>timeZoneIdentifier</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-availableprimarytimezoneidentifiers" title="AvailablePrimaryTimeZoneIdentifiers ( )"><span class="secnum">6.5.3</span> AvailablePrimaryTimeZoneIdentifiers ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-string-split-to-list" title="StringSplitToList ( S, separator )"><span class="secnum">6.5.4</span> StringSplitToList ( <var>S</var>, <var>separator</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-measurement-unit-identifiers" title="Measurement Unit Identifiers"><span class="secnum">6.6</span> Measurement Unit Identifiers</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-iswellformedunitidentifier" title="IsWellFormedUnitIdentifier ( unitIdentifier )"><span class="secnum">6.6.1</span> IsWellFormedUnitIdentifier ( <var>unitIdentifier</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-issanctionedsingleunitidentifier" title="IsSanctionedSingleUnitIdentifier ( unitIdentifier )"><span class="secnum">6.6.2</span> IsSanctionedSingleUnitIdentifier ( <var>unitIdentifier</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-availablecanonicalunits" title="AvailableCanonicalUnits ( )"><span class="secnum">6.6.3</span> AvailableCanonicalUnits ( )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-numberingsystem-identifiers" title="Numbering System Identifiers"><span class="secnum">6.7</span> Numbering System Identifiers</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-availablecanonicalnumberingsystems" title="AvailableCanonicalNumberingSystems ( )"><span class="secnum">6.7.1</span> AvailableCanonicalNumberingSystems ( )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-collation-types" title="Collation Types"><span class="secnum">6.8</span> Collation Types</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-availablecanonicalcollations" title="AvailableCanonicalCollations ( )"><span class="secnum">6.8.1</span> AvailableCanonicalCollations ( )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-calendar-types" title="Calendar Types"><span class="secnum">6.9</span> Calendar Types</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-availablecalendars" title="AvailableCalendars ( )"><span class="secnum">6.9.1</span> AvailableCalendars ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-pattern-string-types" title="Pattern String Types"><span class="secnum">6.10</span> Pattern String Types</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#requirements" title="Requirements for Standard Built-in ECMAScript Objects"><span class="secnum">7</span> Requirements for Standard Built-in ECMAScript Objects</a></li><li><span class="item-toggle">+</span><a href="#intl-object" title="The Intl Object"><span class="secnum">8</span> The Intl Object</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-value-properties-of-the-intl-object" title="Value Properties of the Intl Object"><span class="secnum">8.1</span> Value Properties of the Intl Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl-%symbol.tostringtag%" title="Intl [ %Symbol.toStringTag% ]"><span class="secnum">8.1.1</span> Intl [ %Symbol.toStringTag% ]</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-constructor-properties-of-the-intl-object" title="Constructor Properties of the Intl Object"><span class="secnum">8.2</span> Constructor Properties of the Intl Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.collator-intro" title="Intl.Collator ( . . . )"><span class="secnum">8.2.1</span> Intl.Collator ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat-intro" title="Intl.DateTimeFormat ( . . . )"><span class="secnum">8.2.2</span> Intl.DateTimeFormat ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.displaynames-intro" title="Intl.DisplayNames ( . . . )"><span class="secnum">8.2.3</span> Intl.DisplayNames ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.listformat-intro" title="Intl.ListFormat ( . . . )"><span class="secnum">8.2.4</span> Intl.ListFormat ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.locale-intro" title="Intl.Locale ( . . . )"><span class="secnum">8.2.5</span> Intl.Locale ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat-intro" title="Intl.NumberFormat ( . . . )"><span class="secnum">8.2.6</span> Intl.NumberFormat ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules-intro" title="Intl.PluralRules ( . . . )"><span class="secnum">8.2.7</span> Intl.PluralRules ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.relativetimeformat-intro" title="Intl.RelativeTimeFormat ( . . . )"><span class="secnum">8.2.8</span> Intl.RelativeTimeFormat ( . . . )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter-intro" title="Intl.Segmenter ( . . . )"><span class="secnum">8.2.9</span> Intl.Segmenter ( . . . )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-function-properties-of-the-intl-object" title="Function Properties of the Intl Object"><span class="secnum">8.3</span> Function Properties of the Intl Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.getcanonicallocales" title="Intl.getCanonicalLocales ( locales )"><span class="secnum">8.3.1</span> Intl.getCanonicalLocales ( <var>locales</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.supportedvaluesof" title="Intl.supportedValuesOf ( key )"><span class="secnum">8.3.2</span> Intl.supportedValuesOf ( <var>key</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#locale-and-parameter-negotiation" title="Locale and Parameter Negotiation"><span class="secnum">9</span> Locale and Parameter Negotiation</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-internal-slots" title="Internal slots of Service Constructors"><span class="secnum">9.1</span> Internal slots of Service Constructors</a></li><li><span class="item-toggle">+</span><a href="#sec-abstract-operations" title="Abstract Operations"><span class="secnum">9.2</span> Abstract Operations</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-canonicalizelocalelist" title="CanonicalizeLocaleList ( locales )"><span class="secnum">9.2.1</span> CanonicalizeLocaleList ( <var>locales</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-canonicalizeuvalue" title="CanonicalizeUValue ( ukey, uvalue )"><span class="secnum">9.2.2</span> CanonicalizeUValue ( <var>ukey</var>, <var>uvalue</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-lookupmatchinglocalebyprefix" title="LookupMatchingLocaleByPrefix ( availableLocales, requestedLocales )"><span class="secnum">9.2.3</span> LookupMatchingLocaleByPrefix ( <var>availableLocales</var>, <var>requestedLocales</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-lookupmatchinglocalebybestfit" title="LookupMatchingLocaleByBestFit ( availableLocales, requestedLocales )"><span class="secnum">9.2.4</span> LookupMatchingLocaleByBestFit ( <var>availableLocales</var>, <var>requestedLocales</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-unicode-extension-components" title="UnicodeExtensionComponents ( extension )"><span class="secnum">9.2.5</span> UnicodeExtensionComponents ( <var>extension</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-insert-unicode-extension-and-canonicalize" title="InsertUnicodeExtensionAndCanonicalize ( locale, attributes, keywords )"><span class="secnum">9.2.6</span> InsertUnicodeExtensionAndCanonicalize ( <var>locale</var>, <var>attributes</var>, <var>keywords</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-resolvelocale" title="ResolveLocale ( availableLocales, requestedLocales, options, relevantExtensionKeys, localeData )"><span class="secnum">9.2.7</span> ResolveLocale ( <var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var>, <var>relevantExtensionKeys</var>, <var>localeData</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-filterlocales" title="FilterLocales ( availableLocales, requestedLocales, options )"><span class="secnum">9.2.8</span> FilterLocales ( <var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getoptionsobject" title="GetOptionsObject ( options )"><span class="secnum">9.2.9</span> GetOptionsObject ( <var>options</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-coerceoptionstoobject" title="CoerceOptionsToObject ( options )"><span class="secnum">9.2.10</span> CoerceOptionsToObject ( <var>options</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getoption" title="GetOption ( options, property, type, values, default )"><span class="secnum">9.2.11</span> GetOption ( <var>options</var>, <var>property</var>, <var>type</var>, <var>values</var>, <var>default</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getbooleanorstringnumberformatoption" title="GetBooleanOrStringNumberFormatOption ( options, property, stringValues, fallback )"><span class="secnum">9.2.12</span> GetBooleanOrStringNumberFormatOption ( <var>options</var>, <var>property</var>, <var>stringValues</var>, <var>fallback</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-defaultnumberoption" title="DefaultNumberOption ( value, minimum, maximum, fallback )"><span class="secnum">9.2.13</span> DefaultNumberOption ( <var>value</var>, <var>minimum</var>, <var>maximum</var>, <var>fallback</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getnumberoption" title="GetNumberOption ( options, property, minimum, maximum, fallback )"><span class="secnum">9.2.14</span> GetNumberOption ( <var>options</var>, <var>property</var>, <var>minimum</var>, <var>maximum</var>, <var>fallback</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitionpattern" title="PartitionPattern ( pattern )"><span class="secnum">9.2.15</span> PartitionPattern ( <var>pattern</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#collator-objects" title="Collator Objects"><span class="secnum">10</span> Collator Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-the-intl-collator-constructor" title="The Intl.Collator Constructor"><span class="secnum">10.1</span> The Intl.Collator Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.collator" title="Intl.Collator ( [ locales [ , options ] ] )"><span class="secnum">10.1.1</span> Intl.Collator ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-the-intl-collator-constructor" title="Properties of the Intl.Collator Constructor"><span class="secnum">10.2</span> Properties of the Intl.Collator Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.collator.prototype" title="Intl.Collator.prototype"><span class="secnum">10.2.1</span> Intl.Collator.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.collator.supportedlocalesof" title="Intl.Collator.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">10.2.2</span> Intl.Collator.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl-collator-internal-slots" title="Internal slots"><span class="secnum">10.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-the-intl-collator-prototype-object" title="Properties of the Intl.Collator Prototype Object"><span class="secnum">10.3</span> Properties of the Intl.Collator Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.collator.prototype.constructor" title="Intl.Collator.prototype.constructor"><span class="secnum">10.3.1</span> Intl.Collator.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.collator.prototype-%symbol.tostringtag%" title="Intl.Collator.prototype [ %Symbol.toStringTag% ]"><span class="secnum">10.3.2</span> Intl.Collator.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle">+</span><a href="#sec-intl.collator.prototype.compare" title="get Intl.Collator.prototype.compare"><span class="secnum">10.3.3</span> get Intl.Collator.prototype.compare</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-collator-compare-functions" title="Collator Compare Functions"><span class="secnum">10.3.3.1</span> Collator Compare Functions</a></li><li><span class="item-toggle-none"></span><a href="#sec-collator-comparestrings" title="CompareStrings ( collator, x, y )"><span class="secnum">10.3.3.2</span> CompareStrings ( <var>collator</var>, <var>x</var>, <var>y</var> )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-intl.collator.prototype.resolvedoptions" title="Intl.Collator.prototype.resolvedOptions ( )"><span class="secnum">10.3.4</span> Intl.Collator.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-collator-instances" title="Properties of Intl.Collator Instances"><span class="secnum">10.4</span> Properties of Intl.Collator Instances</a></li></ol></li><li><span class="item-toggle">+</span><a href="#datetimeformat-objects" title="DateTimeFormat Objects"><span class="secnum">11</span> DateTimeFormat Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-datetimeformat-constructor" title="The Intl.DateTimeFormat Constructor"><span class="secnum">11.1</span> The Intl.DateTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl.datetimeformat" title="Intl.DateTimeFormat ( [ locales [ , options ] ] )"><span class="secnum">11.1.1</span> Intl.DateTimeFormat ( [ <var>locales</var> [ , <var>options</var> ] ] )</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-chaindatetimeformat" title="ChainDateTimeFormat ( dateTimeFormat, newTarget, this )"><span class="secnum">11.1.1.1</span> ChainDateTimeFormat ( <var>dateTimeFormat</var>, <var>newTarget</var>, <var>this</var> )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-createdatetimeformat" title="CreateDateTimeFormat ( newTarget, locales, options, required, defaults )"><span class="secnum">11.1.2</span> CreateDateTimeFormat ( <var>newTarget</var>, <var>locales</var>, <var>options</var>, <var>required</var>, <var>defaults</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatoffsettimezoneidentifier" title="FormatOffsetTimeZoneIdentifier ( offsetMinutes )"><span class="secnum">11.1.3</span> FormatOffsetTimeZoneIdentifier ( <var>offsetMinutes</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-datetimeformat-constructor" title="Properties of the Intl.DateTimeFormat Constructor"><span class="secnum">11.2</span> Properties of the Intl.DateTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype" title="Intl.DateTimeFormat.prototype"><span class="secnum">11.2.1</span> Intl.DateTimeFormat.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.supportedlocalesof" title="Intl.DateTimeFormat.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">11.2.2</span> Intl.DateTimeFormat.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle">+</span><a href="#sec-intl.datetimeformat-internal-slots" title="Internal slots"><span class="secnum">11.2.3</span> Internal slots</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-format-record" title="DateTime Format Records"><span class="secnum">11.2.3.1</span> DateTime Format Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-range-pattern-record" title="DateTime Range Pattern Records"><span class="secnum">11.2.3.2</span> DateTime Range Pattern Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-range-pattern-format-record" title="DateTime Range Pattern Format Records"><span class="secnum">11.2.3.3</span> DateTime Range Pattern Format Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-range-pattern-part-record" title="DateTime Range Pattern Part Records"><span class="secnum">11.2.3.4</span> DateTime Range Pattern Part Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-styles-record" title="DateTime Styles Records"><span class="secnum">11.2.3.5</span> DateTime Styles Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-style-record" title="DateTime Style Records"><span class="secnum">11.2.3.6</span> DateTime Style Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-connector-record" title="DateTime Connector Records"><span class="secnum">11.2.3.7</span> DateTime Connector Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-date-range-record" title="DateTime Date Range Records"><span class="secnum">11.2.3.8</span> DateTime Date Range Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-time-range-record" title="DateTime Time Range Records"><span class="secnum">11.2.3.9</span> DateTime Time Range Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-style-range-record" title="DateTime Style Range Records"><span class="secnum">11.2.3.10</span> DateTime Style Range Records</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-datetimeformat-prototype-object" title="Properties of the Intl.DateTimeFormat Prototype Object"><span class="secnum">11.3</span> Properties of the Intl.DateTimeFormat Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype.constructor" title="Intl.DateTimeFormat.prototype.constructor"><span class="secnum">11.3.1</span> Intl.DateTimeFormat.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype-%symbol.tostringtag%" title="Intl.DateTimeFormat.prototype [ %Symbol.toStringTag% ]"><span class="secnum">11.3.2</span> Intl.DateTimeFormat.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype.format" title="get Intl.DateTimeFormat.prototype.format"><span class="secnum">11.3.3</span> get Intl.DateTimeFormat.prototype.format</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DateTimeFormat.prototype.formatToParts" title="Intl.DateTimeFormat.prototype.formatToParts ( date )"><span class="secnum">11.3.4</span> Intl.DateTimeFormat.prototype.formatToParts ( <var>date</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype.formatRange" title="Intl.DateTimeFormat.prototype.formatRange ( startDate, endDate )"><span class="secnum">11.3.5</span> Intl.DateTimeFormat.prototype.formatRange ( <var>startDate</var>, <var>endDate</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DateTimeFormat.prototype.formatRangeToParts" title="Intl.DateTimeFormat.prototype.formatRangeToParts ( startDate, endDate )"><span class="secnum">11.3.6</span> Intl.DateTimeFormat.prototype.formatRangeToParts ( <var>startDate</var>, <var>endDate</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.datetimeformat.prototype.resolvedoptions" title="Intl.DateTimeFormat.prototype.resolvedOptions ( )"><span class="secnum">11.3.7</span> Intl.DateTimeFormat.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-datetimeformat-instances" title="Properties of Intl.DateTimeFormat Instances"><span class="secnum">11.4</span> Properties of Intl.DateTimeFormat Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-datetimeformat-abstracts" title="Abstract Operations for DateTimeFormat Objects"><span class="secnum">11.5</span> Abstract Operations for DateTimeFormat Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-date-time-style-format" title="DateTimeStyleFormat ( dateStyle, timeStyle, styles )"><span class="secnum">11.5.1</span> DateTimeStyleFormat ( <var>dateStyle</var>, <var>timeStyle</var>, <var>styles</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-basicformatmatcher" title="BasicFormatMatcher ( options, formats )"><span class="secnum">11.5.2</span> BasicFormatMatcher ( <var>options</var>, <var>formats</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-bestfitformatmatcher" title="BestFitFormatMatcher ( options, formats )"><span class="secnum">11.5.3</span> BestFitFormatMatcher ( <var>options</var>, <var>formats</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetime-format-functions" title="DateTime Format Functions"><span class="secnum">11.5.4</span> DateTime Format Functions</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatdatetimepattern" title="FormatDateTimePattern ( dateTimeFormat, format, pattern, epochNanoseconds )"><span class="secnum">11.5.5</span> FormatDateTimePattern ( <var>dateTimeFormat</var>, <var>format</var>, <var>pattern</var>, <var>epochNanoseconds</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitiondatetimepattern" title="PartitionDateTimePattern ( dateTimeFormat, x )"><span class="secnum">11.5.6</span> PartitionDateTimePattern ( <var>dateTimeFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatdatetime" title="FormatDateTime ( dateTimeFormat, x )"><span class="secnum">11.5.7</span> FormatDateTime ( <var>dateTimeFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatdatetimetoparts" title="FormatDateTimeToParts ( dateTimeFormat, x )"><span class="secnum">11.5.8</span> FormatDateTimeToParts ( <var>dateTimeFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitiondatetimerangepattern" title="PartitionDateTimeRangePattern ( dateTimeFormat, x, y )"><span class="secnum">11.5.9</span> PartitionDateTimeRangePattern ( <var>dateTimeFormat</var>, <var>x</var>, <var>y</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatdatetimerange" title="FormatDateTimeRange ( dateTimeFormat, x, y )"><span class="secnum">11.5.10</span> FormatDateTimeRange ( <var>dateTimeFormat</var>, <var>x</var>, <var>y</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatdatetimerangetoparts" title="FormatDateTimeRangeToParts ( dateTimeFormat, x, y )"><span class="secnum">11.5.11</span> FormatDateTimeRangeToParts ( <var>dateTimeFormat</var>, <var>x</var>, <var>y</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-tolocaltime" title="ToLocalTime ( epochNs, calendar, timeZoneIdentifier )"><span class="secnum">11.5.12</span> ToLocalTime ( <var>epochNs</var>, <var>calendar</var>, <var>timeZoneIdentifier</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-datetimeformat-tolocaltime-records" title="ToLocalTime Records"><span class="secnum">11.5.13</span> ToLocalTime Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-unwrapdatetimeformat" title="UnwrapDateTimeFormat ( dtf )"><span class="secnum">11.5.14</span> UnwrapDateTimeFormat ( <var>dtf</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#intl-displaynames-objects" title="DisplayNames Objects"><span class="secnum">12</span> DisplayNames Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-displaynames-constructor" title="The Intl.DisplayNames Constructor"><span class="secnum">12.1</span> The Intl.DisplayNames Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames" title="Intl.DisplayNames ( locales, options )"><span class="secnum">12.1.1</span> Intl.DisplayNames ( <var>locales</var>, <var>options</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-displaynames-constructor" title="Properties of the Intl.DisplayNames Constructor"><span class="secnum">12.2</span> Properties of the Intl.DisplayNames Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames.prototype" title="Intl.DisplayNames.prototype"><span class="secnum">12.2.1</span> Intl.DisplayNames.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames.supportedLocalesOf" title="Intl.DisplayNames.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">12.2.2</span> Intl.DisplayNames.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames-internal-slots" title="Internal slots"><span class="secnum">12.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-displaynames-prototype-object" title="Properties of the Intl.DisplayNames Prototype Object"><span class="secnum">12.3</span> Properties of the Intl.DisplayNames Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames.prototype.constructor" title="Intl.DisplayNames.prototype.constructor"><span class="secnum">12.3.1</span> Intl.DisplayNames.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.displaynames.prototype-%symbol.tostringtag%" title="Intl.DisplayNames.prototype [ %Symbol.toStringTag% ]"><span class="secnum">12.3.2</span> Intl.DisplayNames.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames.prototype.of" title="Intl.DisplayNames.prototype.of ( code )"><span class="secnum">12.3.3</span> Intl.DisplayNames.prototype.of ( <var>code</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.DisplayNames.prototype.resolvedOptions" title="Intl.DisplayNames.prototype.resolvedOptions ( )"><span class="secnum">12.3.4</span> Intl.DisplayNames.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-displaynames-instances" title="Properties of Intl.DisplayNames Instances"><span class="secnum">12.4</span> Properties of Intl.DisplayNames Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-intl-displaynames-abstracts" title="Abstract Operations for DisplayNames Objects"><span class="secnum">12.5</span> Abstract Operations for DisplayNames Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-canonicalcodefordisplaynames" title="CanonicalCodeForDisplayNames ( type, code )"><span class="secnum">12.5.1</span> CanonicalCodeForDisplayNames ( <var>type</var>, <var>code</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-isvaliddatetimefieldcode" title="IsValidDateTimeFieldCode ( field )"><span class="secnum">12.5.2</span> IsValidDateTimeFieldCode ( <var>field</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#listformat-objects" title="ListFormat Objects"><span class="secnum">13</span> ListFormat Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-listformat-constructor" title="The Intl.ListFormat Constructor"><span class="secnum">13.1</span> The Intl.ListFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat" title="Intl.ListFormat ( [ locales [ , options ] ] )"><span class="secnum">13.1.1</span> Intl.ListFormat ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-listformat-constructor" title="Properties of the Intl.ListFormat Constructor"><span class="secnum">13.2</span> Properties of the Intl.ListFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype" title="Intl.ListFormat.prototype"><span class="secnum">13.2.1</span> Intl.ListFormat.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.supportedLocalesOf" title="Intl.ListFormat.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">13.2.2</span> Intl.ListFormat.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat-internal-slots" title="Internal slots"><span class="secnum">13.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-listformat-prototype-object" title="Properties of the Intl.ListFormat Prototype Object"><span class="secnum">13.3</span> Properties of the Intl.ListFormat Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype.constructor" title="Intl.ListFormat.prototype.constructor"><span class="secnum">13.3.1</span> Intl.ListFormat.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype-toStringTag" title="Intl.ListFormat.prototype [ %Symbol.toStringTag% ]"><span class="secnum">13.3.2</span> Intl.ListFormat.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype.format" title="Intl.ListFormat.prototype.format ( list )"><span class="secnum">13.3.3</span> Intl.ListFormat.prototype.format ( <var>list</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype.formatToParts" title="Intl.ListFormat.prototype.formatToParts ( list )"><span class="secnum">13.3.4</span> Intl.ListFormat.prototype.formatToParts ( <var>list</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.ListFormat.prototype.resolvedoptions" title="Intl.ListFormat.prototype.resolvedOptions ( )"><span class="secnum">13.3.5</span> Intl.ListFormat.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-listformat-instances" title="Properties of Intl.ListFormat Instances"><span class="secnum">13.4</span> Properties of Intl.ListFormat Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-intl-listformat-abstracts" title="Abstract Operations for ListFormat Objects"><span class="secnum">13.5</span> Abstract Operations for ListFormat Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-deconstructpattern" title="DeconstructPattern ( pattern, placeables )"><span class="secnum">13.5.1</span> DeconstructPattern ( <var>pattern</var>, <var>placeables</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-createpartsfromlist" title="CreatePartsFromList ( listFormat, list )"><span class="secnum">13.5.2</span> CreatePartsFromList ( <var>listFormat</var>, <var>list</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatlist" title="FormatList ( listFormat, list )"><span class="secnum">13.5.3</span> FormatList ( <var>listFormat</var>, <var>list</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatlisttoparts" title="FormatListToParts ( listFormat, list )"><span class="secnum">13.5.4</span> FormatListToParts ( <var>listFormat</var>, <var>list</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-createstringlistfromiterable" title="StringListFromIterable ( iterable )"><span class="secnum">13.5.5</span> StringListFromIterable ( <var>iterable</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#locale-objects" title="Locale Objects"><span class="secnum">14</span> Locale Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-locale-constructor" title="The Intl.Locale Constructor"><span class="secnum">14.1</span> The Intl.Locale Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale" title="Intl.Locale ( tag [ , options ] )"><span class="secnum">14.1.1</span> Intl.Locale ( <var>tag</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-updatelanguageid" title="UpdateLanguageId ( tag, options )"><span class="secnum">14.1.2</span> UpdateLanguageId ( <var>tag</var>, <var>options</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-makelocalerecord" title="MakeLocaleRecord ( tag, options, localeExtensionKeys )"><span class="secnum">14.1.3</span> MakeLocaleRecord ( <var>tag</var>, <var>options</var>, <var>localeExtensionKeys</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-locale-constructor" title="Properties of the Intl.Locale Constructor"><span class="secnum">14.2</span> Properties of the Intl.Locale Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype" title="Intl.Locale.prototype"><span class="secnum">14.2.1</span> Intl.Locale.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.locale-internal-slots" title="Internal slots"><span class="secnum">14.2.2</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-locale-prototype-object" title="Properties of the Intl.Locale Prototype Object"><span class="secnum">14.3</span> Properties of the Intl.Locale Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.constructor" title="Intl.Locale.prototype.constructor"><span class="secnum">14.3.1</span> Intl.Locale.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.locale.prototype-%symbol.tostringtag%" title="Intl.Locale.prototype [ %Symbol.toStringTag% ]"><span class="secnum">14.3.2</span> Intl.Locale.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.maximize" title="Intl.Locale.prototype.maximize ( )"><span class="secnum">14.3.3</span> Intl.Locale.prototype.maximize ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.minimize" title="Intl.Locale.prototype.minimize ( )"><span class="secnum">14.3.4</span> Intl.Locale.prototype.minimize ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.toString" title="Intl.Locale.prototype.toString ( )"><span class="secnum">14.3.5</span> Intl.Locale.prototype.toString ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.baseName" title="get Intl.Locale.prototype.baseName"><span class="secnum">14.3.6</span> get Intl.Locale.prototype.baseName</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.calendar" title="get Intl.Locale.prototype.calendar"><span class="secnum">14.3.7</span> get Intl.Locale.prototype.calendar</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.caseFirst" title="get Intl.Locale.prototype.caseFirst"><span class="secnum">14.3.8</span> get Intl.Locale.prototype.caseFirst</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.collation" title="get Intl.Locale.prototype.collation"><span class="secnum">14.3.9</span> get Intl.Locale.prototype.collation</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.hourCycle" title="get Intl.Locale.prototype.hourCycle"><span class="secnum">14.3.10</span> get Intl.Locale.prototype.hourCycle</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.numeric" title="get Intl.Locale.prototype.numeric"><span class="secnum">14.3.11</span> get Intl.Locale.prototype.numeric</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.numberingSystem" title="get Intl.Locale.prototype.numberingSystem"><span class="secnum">14.3.12</span> get Intl.Locale.prototype.numberingSystem</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.language" title="get Intl.Locale.prototype.language"><span class="secnum">14.3.13</span> get Intl.Locale.prototype.language</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.script" title="get Intl.Locale.prototype.script"><span class="secnum">14.3.14</span> get Intl.Locale.prototype.script</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.Locale.prototype.region" title="get Intl.Locale.prototype.region"><span class="secnum">14.3.15</span> get Intl.Locale.prototype.region</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-locale-instances" title="Properties of Intl.Locale Instances"><span class="secnum">14.4</span> Properties of Intl.Locale Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-intl-locale-abstracts" title="Abstract Operations for Locale Objects"><span class="secnum">14.5</span> Abstract Operations for Locale Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-getlocalebasename" title="GetLocaleBaseName ( locale )"><span class="secnum">14.5.1</span> GetLocaleBaseName ( <var>locale</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getlocalelanguage" title="GetLocaleLanguage ( locale )"><span class="secnum">14.5.2</span> GetLocaleLanguage ( <var>locale</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getlocalescript" title="GetLocaleScript ( locale )"><span class="secnum">14.5.3</span> GetLocaleScript ( <var>locale</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getlocaleregion" title="GetLocaleRegion ( locale )"><span class="secnum">14.5.4</span> GetLocaleRegion ( <var>locale</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getlocalevariants" title="GetLocaleVariants ( locale )"><span class="secnum">14.5.5</span> GetLocaleVariants ( <var>locale</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#numberformat-objects" title="NumberFormat Objects"><span class="secnum">15</span> NumberFormat Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-numberformat-constructor" title="The Intl.NumberFormat Constructor"><span class="secnum">15.1</span> The Intl.NumberFormat Constructor</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl.numberformat" title="Intl.NumberFormat ( [ locales [ , options ] ] )"><span class="secnum">15.1.1</span> Intl.NumberFormat ( [ <var>locales</var> [ , <var>options</var> ] ] )</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-chainnumberformat" title="ChainNumberFormat ( numberFormat, newTarget, this )"><span class="secnum">15.1.1.1</span> ChainNumberFormat ( <var>numberFormat</var>, <var>newTarget</var>, <var>this</var> )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-setnfdigitoptions" title="SetNumberFormatDigitOptions ( intlObj, options, mnfdDefault, mxfdDefault, notation )"><span class="secnum">15.1.2</span> SetNumberFormatDigitOptions ( <var>intlObj</var>, <var>options</var>, <var>mnfdDefault</var>, <var>mxfdDefault</var>, <var>notation</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-setnumberformatunitoptions" title="SetNumberFormatUnitOptions ( intlObj, options )"><span class="secnum">15.1.3</span> SetNumberFormatUnitOptions ( <var>intlObj</var>, <var>options</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-numberformat-constructor" title="Properties of the Intl.NumberFormat Constructor"><span class="secnum">15.2</span> Properties of the Intl.NumberFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype" title="Intl.NumberFormat.prototype"><span class="secnum">15.2.1</span> Intl.NumberFormat.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.supportedlocalesof" title="Intl.NumberFormat.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">15.2.2</span> Intl.NumberFormat.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat-internal-slots" title="Internal slots"><span class="secnum">15.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-numberformat-prototype-object" title="Properties of the Intl.NumberFormat Prototype Object"><span class="secnum">15.3</span> Properties of the Intl.NumberFormat Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.constructor" title="Intl.NumberFormat.prototype.constructor"><span class="secnum">15.3.1</span> Intl.NumberFormat.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype-%symbol.tostringtag%" title="Intl.NumberFormat.prototype [ %Symbol.toStringTag% ]"><span class="secnum">15.3.2</span> Intl.NumberFormat.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.format" title="get Intl.NumberFormat.prototype.format"><span class="secnum">15.3.3</span> get Intl.NumberFormat.prototype.format</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.formattoparts" title="Intl.NumberFormat.prototype.formatToParts ( value )"><span class="secnum">15.3.4</span> Intl.NumberFormat.prototype.formatToParts ( <var>value</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.formatrange" title="Intl.NumberFormat.prototype.formatRange ( start, end )"><span class="secnum">15.3.5</span> Intl.NumberFormat.prototype.formatRange ( <var>start</var>, <var>end</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.formatrangetoparts" title="Intl.NumberFormat.prototype.formatRangeToParts ( start, end )"><span class="secnum">15.3.6</span> Intl.NumberFormat.prototype.formatRangeToParts ( <var>start</var>, <var>end</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.numberformat.prototype.resolvedoptions" title="Intl.NumberFormat.prototype.resolvedOptions ( )"><span class="secnum">15.3.7</span> Intl.NumberFormat.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-numberformat-instances" title="Properties of Intl.NumberFormat Instances"><span class="secnum">15.4</span> Properties of Intl.NumberFormat Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-numberformat-abstracts" title="Abstract Operations for NumberFormat Objects"><span class="secnum">15.5</span> Abstract Operations for NumberFormat Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-currencydigits" title="CurrencyDigits ( currency )"><span class="secnum">15.5.1</span> CurrencyDigits ( <var>currency</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-number-format-functions" title="Number Format Functions"><span class="secnum">15.5.2</span> Number Format Functions</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatnumberstring" title="FormatNumericToString ( intlObject, x )"><span class="secnum">15.5.3</span> FormatNumericToString ( <var>intlObject</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitionnumberpattern" title="PartitionNumberPattern ( numberFormat, x )"><span class="secnum">15.5.4</span> PartitionNumberPattern ( <var>numberFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitionnotationsubpattern" title="PartitionNotationSubPattern ( numberFormat, x, n, exponent )"><span class="secnum">15.5.5</span> PartitionNotationSubPattern ( <var>numberFormat</var>, <var>x</var>, <var>n</var>, <var>exponent</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatnumber" title="FormatNumeric ( numberFormat, x )"><span class="secnum">15.5.6</span> FormatNumeric ( <var>numberFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatnumbertoparts" title="FormatNumericToParts ( numberFormat, x )"><span class="secnum">15.5.7</span> FormatNumericToParts ( <var>numberFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-torawprecision" title="ToRawPrecision ( x, minPrecision, maxPrecision, unsignedRoundingMode )"><span class="secnum">15.5.8</span> ToRawPrecision ( <var>x</var>, <var>minPrecision</var>, <var>maxPrecision</var>, <var>unsignedRoundingMode</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-torawfixed" title="ToRawFixed ( x, minFraction, maxFraction, roundingIncrement, unsignedRoundingMode )"><span class="secnum">15.5.9</span> ToRawFixed ( <var>x</var>, <var>minFraction</var>, <var>maxFraction</var>, <var>roundingIncrement</var>, <var>unsignedRoundingMode</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-unwrapnumberformat" title="UnwrapNumberFormat ( nf )"><span class="secnum">15.5.10</span> UnwrapNumberFormat ( <var>nf</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getnumberformatpattern" title="GetNumberFormatPattern ( numberFormat, x )"><span class="secnum">15.5.11</span> GetNumberFormatPattern ( <var>numberFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getnotationsubpattern" title="GetNotationSubPattern ( numberFormat, exponent )"><span class="secnum">15.5.12</span> GetNotationSubPattern ( <var>numberFormat</var>, <var>exponent</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-computeexponent" title="ComputeExponent ( numberFormat, x )"><span class="secnum">15.5.13</span> ComputeExponent ( <var>numberFormat</var>, <var>x</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-computeexponentformagnitude" title="ComputeExponentForMagnitude ( numberFormat, magnitude )"><span class="secnum">15.5.14</span> ComputeExponentForMagnitude ( <var>numberFormat</var>, <var>magnitude</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-runtime-semantics-stringintlmv" title="Runtime Semantics: StringIntlMV"><span class="secnum">15.5.15</span> RS: StringIntlMV</a></li><li><span class="item-toggle-none"></span><a href="#sec-tointlmathematicalvalue" title="ToIntlMathematicalValue ( value )"><span class="secnum">15.5.16</span> ToIntlMathematicalValue ( <var>value</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-getunsignedroundingmode" title="GetUnsignedRoundingMode ( roundingMode, sign )"><span class="secnum">15.5.17</span> GetUnsignedRoundingMode ( <var>roundingMode</var>, <var>sign</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-applyunsignedroundingmode" title="ApplyUnsignedRoundingMode ( x, r1, r2, unsignedRoundingMode )"><span class="secnum">15.5.18</span> ApplyUnsignedRoundingMode ( <var>x</var>, <var>r1</var>, <var>r2</var>, <var>unsignedRoundingMode</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-partitionnumberrangepattern" title="PartitionNumberRangePattern ( numberFormat, x, y )"><span class="secnum">15.5.19</span> PartitionNumberRangePattern ( <var>numberFormat</var>, <var>x</var>, <var>y</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatapproximately" title="FormatApproximately ( numberFormat, result )"><span class="secnum">15.5.20</span> FormatApproximately ( <var>numberFormat</var>, <var>result</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-collapsenumberrange" title="CollapseNumberRange ( result )"><span class="secnum">15.5.21</span> CollapseNumberRange ( <var>result</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatnumericrange" title="FormatNumericRange ( numberFormat, x, y )"><span class="secnum">15.5.22</span> FormatNumericRange ( <var>numberFormat</var>, <var>x</var>, <var>y</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-formatnumericrangetoparts" title="FormatNumericRangeToParts ( numberFormat, x, y )"><span class="secnum">15.5.23</span> FormatNumericRangeToParts ( <var>numberFormat</var>, <var>x</var>, <var>y</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#pluralrules-objects" title="PluralRules Objects"><span class="secnum">16</span> PluralRules Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-pluralrules-constructor" title="The Intl.PluralRules Constructor"><span class="secnum">16.1</span> The Intl.PluralRules Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules" title="Intl.PluralRules ( [ locales [ , options ] ] )"><span class="secnum">16.1.1</span> Intl.PluralRules ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-pluralrules-constructor" title="Properties of the Intl.PluralRules Constructor"><span class="secnum">16.2</span> Properties of the Intl.PluralRules Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype" title="Intl.PluralRules.prototype"><span class="secnum">16.2.1</span> Intl.PluralRules.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.supportedlocalesof" title="Intl.PluralRules.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">16.2.2</span> Intl.PluralRules.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules-internal-slots" title="Internal slots"><span class="secnum">16.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-pluralrules-prototype-object" title="Properties of the Intl.PluralRules Prototype Object"><span class="secnum">16.3</span> Properties of the Intl.PluralRules Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype.constructor" title="Intl.PluralRules.prototype.constructor"><span class="secnum">16.3.1</span> Intl.PluralRules.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype-%symbol.tostringtag%" title="Intl.PluralRules.prototype [ %Symbol.toStringTag% ]"><span class="secnum">16.3.2</span> Intl.PluralRules.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype.select" title="Intl.PluralRules.prototype.select ( value )"><span class="secnum">16.3.3</span> Intl.PluralRules.prototype.select ( <var>value</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype.selectrange" title="Intl.PluralRules.prototype.selectRange ( start, end )"><span class="secnum">16.3.4</span> Intl.PluralRules.prototype.selectRange ( <var>start</var>, <var>end</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.pluralrules.prototype.resolvedoptions" title="Intl.PluralRules.prototype.resolvedOptions ( )"><span class="secnum">16.3.5</span> Intl.PluralRules.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-pluralrules-instances" title="Properties of Intl.PluralRules Instances"><span class="secnum">16.4</span> Properties of Intl.PluralRules Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-intl-pluralrules-abstracts" title="Abstract Operations for PluralRules Objects"><span class="secnum">16.5</span> Abstract Operations for PluralRules Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-getoperands" title="GetOperands ( s )"><span class="secnum">16.5.1</span> GetOperands ( <var>s</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-plural-rules-operands-records" title="Plural Rules Operands Records"><span class="secnum">16.5.2</span> Plural Rules Operands Records</a></li><li><span class="item-toggle-none"></span><a href="#sec-pluralruleselect" title="PluralRuleSelect ( locale, type, n, operands )"><span class="secnum">16.5.3</span> PluralRuleSelect ( <var>locale</var>, <var>type</var>, <var>n</var>, <var>operands</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-resolveplural" title="ResolvePlural ( pluralRules, n )"><span class="secnum">16.5.4</span> ResolvePlural ( <var>pluralRules</var>, <var>n</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-pluralruleselectrange" title="PluralRuleSelectRange ( locale, type, xp, yp )"><span class="secnum">16.5.5</span> PluralRuleSelectRange ( <var>locale</var>, <var>type</var>, <var>xp</var>, <var>yp</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-resolvepluralrange" title="ResolvePluralRange ( pluralRules, x, y )"><span class="secnum">16.5.6</span> ResolvePluralRange ( <var>pluralRules</var>, <var>x</var>, <var>y</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#relativetimeformat-objects" title="RelativeTimeFormat Objects"><span class="secnum">17</span> RelativeTimeFormat Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-relativetimeformat-constructor" title="The Intl.RelativeTimeFormat Constructor"><span class="secnum">17.1</span> The Intl.RelativeTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat" title="Intl.RelativeTimeFormat ( [ locales [ , options ] ] )"><span class="secnum">17.1.1</span> Intl.RelativeTimeFormat ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-relativetimeformat-constructor" title="Properties of the Intl.RelativeTimeFormat Constructor"><span class="secnum">17.2</span> Properties of the Intl.RelativeTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.prototype" title="Intl.RelativeTimeFormat.prototype"><span class="secnum">17.2.1</span> Intl.RelativeTimeFormat.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.supportedLocalesOf" title="Intl.RelativeTimeFormat.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">17.2.2</span> Intl.RelativeTimeFormat.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat-internal-slots" title="Internal slots"><span class="secnum">17.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-relativetimeformat-prototype-object" title="Properties of the Intl.RelativeTimeFormat Prototype Object"><span class="secnum">17.3</span> Properties of the Intl.RelativeTimeFormat Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.prototype.constructor" title="Intl.RelativeTimeFormat.prototype.constructor"><span class="secnum">17.3.1</span> Intl.RelativeTimeFormat.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.prototype-toStringTag" title="Intl.RelativeTimeFormat.prototype [ %Symbol.toStringTag% ]"><span class="secnum">17.3.2</span> Intl.RelativeTimeFormat.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.prototype.format" title="Intl.RelativeTimeFormat.prototype.format ( value, unit )"><span class="secnum">17.3.3</span> Intl.RelativeTimeFormat.prototype.format ( <var>value</var>, <var>unit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-Intl.RelativeTimeFormat.prototype.formatToParts" title="Intl.RelativeTimeFormat.prototype.formatToParts ( value, unit )"><span class="secnum">17.3.4</span> Intl.RelativeTimeFormat.prototype.formatToParts ( <var>value</var>, <var>unit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.relativetimeformat.prototype.resolvedoptions" title="Intl.RelativeTimeFormat.prototype.resolvedOptions ( )"><span class="secnum">17.3.5</span> Intl.RelativeTimeFormat.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-relativetimeformat-instances" title="Properties of Intl.RelativeTimeFormat Instances"><span class="secnum">17.4</span> Properties of Intl.RelativeTimeFormat Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-intl-relativetimeformat--abstracts" title="Abstract Operations for RelativeTimeFormat Objects"><span class="secnum">17.5</span> Abstract Operations for RelativeTimeFormat Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-singularrelativetimeunit" title="SingularRelativeTimeUnit ( unit )"><span class="secnum">17.5.1</span> SingularRelativeTimeUnit ( <var>unit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-PartitionRelativeTimePattern" title="PartitionRelativeTimePattern ( relativeTimeFormat, value, unit )"><span class="secnum">17.5.2</span> PartitionRelativeTimePattern ( <var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-makepartslist" title="MakePartsList ( pattern, unit, parts )"><span class="secnum">17.5.3</span> MakePartsList ( <var>pattern</var>, <var>unit</var>, <var>parts</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-FormatRelativeTime" title="FormatRelativeTime ( relativeTimeFormat, value, unit )"><span class="secnum">17.5.4</span> FormatRelativeTime ( <var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-FormatRelativeTimeToParts" title="FormatRelativeTimeToParts ( relativeTimeFormat, value, unit )"><span class="secnum">17.5.5</span> FormatRelativeTimeToParts ( <var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#segmenter-objects" title="Segmenter Objects"><span class="secnum">18</span> Segmenter Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-intl-segmenter-constructor" title="The Intl.Segmenter Constructor"><span class="secnum">18.1</span> The Intl.Segmenter Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter" title="Intl.Segmenter ( [ locales [ , options ] ] )"><span class="secnum">18.1.1</span> Intl.Segmenter ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-segmenter-constructor" title="Properties of the Intl.Segmenter Constructor"><span class="secnum">18.2</span> Properties of the Intl.Segmenter Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.prototype" title="Intl.Segmenter.prototype"><span class="secnum">18.2.1</span> Intl.Segmenter.prototype</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.supportedlocalesof" title="Intl.Segmenter.supportedLocalesOf ( locales [ , options ] )"><span class="secnum">18.2.2</span> Intl.Segmenter.supportedLocalesOf ( <var>locales</var> [ , <var>options</var> ] )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter-internal-slots" title="Internal slots"><span class="secnum">18.2.3</span> Internal slots</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-properties-of-intl-segmenter-prototype-object" title="Properties of the Intl.Segmenter Prototype Object"><span class="secnum">18.3</span> Properties of the Intl.Segmenter Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.prototype.constructor" title="Intl.Segmenter.prototype.constructor"><span class="secnum">18.3.1</span> Intl.Segmenter.prototype.constructor</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.prototype-%symbol.tostringtag%" title="Intl.Segmenter.prototype [ %Symbol.toStringTag% ]"><span class="secnum">18.3.2</span> Intl.Segmenter.prototype [ %Symbol.toStringTag% ]</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.prototype.segment" title="Intl.Segmenter.prototype.segment ( string )"><span class="secnum">18.3.3</span> Intl.Segmenter.prototype.segment ( <var>string</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-intl.segmenter.prototype.resolvedoptions" title="Intl.Segmenter.prototype.resolvedOptions ( )"><span class="secnum">18.3.4</span> Intl.Segmenter.prototype.resolvedOptions ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-intl-segmenter-instances" title="Properties of Intl.Segmenter Instances"><span class="secnum">18.4</span> Properties of Intl.Segmenter Instances</a></li><li><span class="item-toggle">+</span><a href="#sec-segments-objects" title="Segments Objects"><span class="secnum">18.5</span> Segments Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-createsegmentsobject" title="CreateSegmentsObject ( segmenter, string )"><span class="secnum">18.5.1</span> CreateSegmentsObject ( <var>segmenter</var>, <var>string</var> )</a></li><li><span class="item-toggle">+</span><a href="#sec-%intlsegmentsprototype%-object" title="The %IntlSegmentsPrototype% Object"><span class="secnum">18.5.2</span> The %IntlSegmentsPrototype% Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-%intlsegmentsprototype%.containing" title="%IntlSegmentsPrototype%.containing ( index )"><span class="secnum">18.5.2.1</span> %IntlSegmentsPrototype%.containing ( <var>index</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-%intlsegmentsprototype%-%symbol.iterator%" title="%IntlSegmentsPrototype% [ %Symbol.iterator% ] ( )"><span class="secnum">18.5.2.2</span> %IntlSegmentsPrototype% [ %Symbol.iterator% ] ( )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-segments-instances" title="Properties of Segments Instances"><span class="secnum">18.5.3</span> Properties of Segments Instances</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-segment-iterator-objects" title="Segment Iterator Objects"><span class="secnum">18.6</span> Segment Iterator Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-createsegmentiterator" title="CreateSegmentIterator ( segmenter, string )"><span class="secnum">18.6.1</span> CreateSegmentIterator ( <var>segmenter</var>, <var>string</var> )</a></li><li><span class="item-toggle">+</span><a href="#sec-%intlsegmentiteratorprototype%-object" title="The %IntlSegmentIteratorPrototype% Object"><span class="secnum">18.6.2</span> The %IntlSegmentIteratorPrototype% Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-%intlsegmentiteratorprototype%.next" title="%IntlSegmentIteratorPrototype%.next ( )"><span class="secnum">18.6.2.1</span> %IntlSegmentIteratorPrototype%.next ( )</a></li><li><span class="item-toggle-none"></span><a href="#sec-%intlsegmentiteratorprototype%.%symbol.tostringtag%" title="%IntlSegmentIteratorPrototype% [ %Symbol.toStringTag% ]"><span class="secnum">18.6.2.2</span> %IntlSegmentIteratorPrototype% [ %Symbol.toStringTag% ]</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-properties-of-segment-iterator-instances" title="Properties of Segment Iterator Instances"><span class="secnum">18.6.3</span> Properties of Segment Iterator Instances</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-segment-data-objects" title="Segment Data Objects"><span class="secnum">18.7</span> Segment Data Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-createsegmentdataobject" title="CreateSegmentDataObject ( segmenter, string, startIndex, endIndex )"><span class="secnum">18.7.1</span> CreateSegmentDataObject ( <var>segmenter</var>, <var>string</var>, <var>startIndex</var>, <var>endIndex</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-intl-segmenter-abstracts" title="Abstract Operations for Segmenter Objects"><span class="secnum">18.8</span> Abstract Operations for Segmenter Objects</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-findboundary" title="FindBoundary ( segmenter, string, startIndex, direction )"><span class="secnum">18.8.1</span> FindBoundary ( <var>segmenter</var>, <var>string</var>, <var>startIndex</var>, <var>direction</var> )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#locale-sensitive-functions" title="Locale Sensitive Functions of the ECMAScript Language Specification"><span class="secnum">19</span> Locale Sensitive Functions of the ECMAScript Language Specification</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sup-properties-of-the-string-prototype-object" title="Properties of the String Prototype Object"><span class="secnum">19.1</span> Properties of the String Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-String.prototype.localeCompare" title="String.prototype.localeCompare ( that [ , locales [ , options ] ] )"><span class="secnum">19.1.1</span> String.prototype.localeCompare ( <var>that</var> [ , <var>locales</var> [ , <var>options</var> ] ] )</a></li><li><span class="item-toggle">+</span><a href="#sup-string.prototype.tolocalelowercase" title="String.prototype.toLocaleLowerCase ( [ locales ] )"><span class="secnum">19.1.2</span> String.prototype.toLocaleLowerCase ( [ <var>locales</var> ] )</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-transform-case" title="TransformCase ( S, locales, targetCase )"><span class="secnum">19.1.2.1</span> TransformCase ( <var>S</var>, <var>locales</var>, <var>targetCase</var> )</a></li></ol></li><li><span class="item-toggle-none"></span><a href="#sup-string.prototype.tolocaleuppercase" title="String.prototype.toLocaleUpperCase ( [ locales ] )"><span class="secnum">19.1.3</span> String.prototype.toLocaleUpperCase ( [ <var>locales</var> ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sup-properties-of-the-number-prototype-object" title="Properties of the Number Prototype Object"><span class="secnum">19.2</span> Properties of the Number Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-number.prototype.tolocalestring" title="Number.prototype.toLocaleString ( [ locales [ , options ] ] )"><span class="secnum">19.2.1</span> Number.prototype.toLocaleString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sup-properties-of-the-bigint-prototype-object" title="Properties of the BigInt Prototype Object"><span class="secnum">19.3</span> Properties of the BigInt Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-bigint.prototype.tolocalestring" title="BigInt.prototype.toLocaleString ( [ locales [ , options ] ] )"><span class="secnum">19.3.1</span> BigInt.prototype.toLocaleString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sup-properties-of-the-date-prototype-object" title="Properties of the Date Prototype Object"><span class="secnum">19.4</span> Properties of the Date Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-date.prototype.tolocalestring" title="Date.prototype.toLocaleString ( [ locales [ , options ] ] )"><span class="secnum">19.4.1</span> Date.prototype.toLocaleString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li><li><span class="item-toggle-none"></span><a href="#sup-date.prototype.tolocaledatestring" title="Date.prototype.toLocaleDateString ( [ locales [ , options ] ] )"><span class="secnum">19.4.2</span> Date.prototype.toLocaleDateString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li><li><span class="item-toggle-none"></span><a href="#sup-date.prototype.tolocaletimestring" title="Date.prototype.toLocaleTimeString ( [ locales [ , options ] ] )"><span class="secnum">19.4.3</span> Date.prototype.toLocaleTimeString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sup-properties-of-the-array-prototype-object" title="Properties of the Array Prototype Object"><span class="secnum">19.5</span> Properties of the Array Prototype Object</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-array.prototype.tolocalestring" title="Array.prototype.toLocaleString ( [ locales [ , options ] ] )"><span class="secnum">19.5.1</span> Array.prototype.toLocaleString ( [ <var>locales</var> [ , <var>options</var> ] ] )</a></li></ol></li></ol></li><li><span class="item-toggle-none"></span><a href="#annex-implementation-dependent-behaviour" title="Implementation Dependent Behaviour"><span class="secnum">A</span> Implementation Dependent Behaviour</a></li><li><span class="item-toggle-none"></span><a href="#annex-incompatibilities" title="Additions and Changes That Introduce Incompatibilities with Prior Editions"><span class="secnum">B</span> Additions and Changes That Introduce Incompatibilities with Prior Editions</a></li><li><span class="item-toggle-none"></span><a href="#sec-colophon" title="Colophon"><span class="secnum">C</span> Colophon</a></li><li><span class="item-toggle-none"></span><a href="#sec-copyright-and-software-license" title="Copyright &amp; Software License"><span class="secnum">D</span> Copyright &amp; Software License</a></li></ol></div></div><div id="spec-container"><h1 class="version">Draft ECMA-402 / September 12, 2024</h1><h1 class="title">ECMAScript® 2024 Internationalization API Specification</h1>
 <p><img src="img/ecma-logo.svg" id="ecma-logo"></p>
 <emu-import href="metablock.html"><div id="metadata-block">
   <h1>Contributing to this Specification</h1>
@@ -508,7 +508,7 @@ <h1><span class="secnum">6.2</span> Language Tags</h1>
     <emu-clause id="sec-isstructurallyvalidlanguagetag" type="abstract operation" aoid="IsStructurallyValidLanguageTag">
       <h1><span class="secnum">6.2.1</span> IsStructurallyValidLanguageTag ( <var>locale</var> )</h1>
       <p>The abstract operation IsStructurallyValidLanguageTag takes argument <var>locale</var> (a String) and returns a Boolean. It determines whether <var>locale</var> is a syntactically well-formed <emu-xref href="#sec-language-tags" id="_ref_226"><a href="#sec-language-tags">language tag</a></emu-xref>. It does not consider whether <var>locale</var> conveys any meaningful semantics, nor does it differentiate between aliased <emu-xref href="#bcp-47-subtag" id="_ref_227"><a href="#bcp-47-subtag">subtags</a></emu-xref> and their preferred replacement <emu-xref href="#bcp-47-subtag" id="_ref_228"><a href="#bcp-47-subtag">subtags</a></emu-xref> or require canonical casing or <emu-xref href="#bcp-47-subtag" id="_ref_229"><a href="#bcp-47-subtag">subtag</a></emu-xref> ordering. It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>lowerLocale</var> be the <emu-xref href="#sec-case-sensitivity-and-case-mapping" id="_ref_230"><a href="#sec-case-sensitivity-and-case-mapping">ASCII-lowercase</a></emu-xref> of <var>locale</var>.</li><li>If <var>lowerLocale</var> cannot be matched by the <code>unicode_locale_id</code> <emu-xref href="#sec-language-tags" id="_ref_231"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, return <emu-val>false</emu-val>.</li><li>If <var>lowerLocale</var> uses any of the backwards compatibility syntax described in <a href="https://unicode.org/reports/tr35/#BCP_47_Conformance" data-print-href="">Unicode Technical Standard #35 Part 1 Core, Section 3.3 BCP 47 Conformance</a>, return <emu-val>false</emu-val>.</li><li>Let <var>languageId</var> be the longest prefix of <var>lowerLocale</var> matched by the <code>unicode_language_id</code> <emu-xref href="#sec-language-tags" id="_ref_232"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>Let <var>variants</var> be <emu-xref aoid="GetLocaleVariants" id="_ref_233"><a href="#sec-getlocalevariants">GetLocaleVariants</a></emu-xref>(<var>languageId</var>).</li><li>If <var>variants</var> is not <emu-val>undefined</emu-val>, then<ol><li>If <var>variants</var> contains any duplicate <emu-xref href="#bcp-47-subtag" id="_ref_234"><a href="#bcp-47-subtag">subtags</a></emu-xref>, return <emu-val>false</emu-val>.</li></ol></li><li>Let <var>allExtensions</var> be the suffix of <var>lowerLocale</var> following <var>languageId</var>.</li><li>If <var>allExtensions</var> contains a <emu-not-ref>substring</emu-not-ref> matched by the <code>pu_extensions</code> <emu-xref href="#sec-language-tags" id="_ref_235"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, let <var>extensions</var> be the prefix of <var>allExtensions</var> preceding the longest such <emu-not-ref>substring</emu-not-ref>. Otherwise, let <var>extensions</var> be <var>allExtensions</var>.</li><li>If <var>extensions</var> is not the empty String, then<ol><li>If <var>extensions</var> contains any duplicate <emu-xref href="#sec-language-tags" id="_ref_236"><a href="#sec-language-tags">singleton subtags</a></emu-xref>, return <emu-val>false</emu-val>.</li><li>Let <var>transformExtension</var> be the longest <emu-not-ref>substring</emu-not-ref> of <var>extensions</var> matched by the <code>transformed_extensions</code> <emu-xref href="#sec-language-tags" id="_ref_237"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>. If there is no such <emu-not-ref>substring</emu-not-ref>, return <emu-val>true</emu-val>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>transformExtension</var> from 0 to 3 is <emu-val>"-t-"</emu-val>.</li><li>Let <var>tPrefix</var> be the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>transformExtension</var> from 3.</li><li>Let <var>tlang</var> be the longest prefix of <var>tPrefix</var> matched by the <code>tlang</code> <emu-xref href="#sec-language-tags" id="_ref_238"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>. If there is no such prefix, return <emu-val>true</emu-val>.</li><li>Let <var>tlangRefinements</var> be the longest suffix of <var>tlang</var> following a non-empty prefix matched by the <code>unicode_language_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_239"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>If <var>tlangRefinements</var> contains any duplicate <emu-not-ref>substrings</emu-not-ref> matched greedily by the <code>unicode_variant_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_240"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, return <emu-val>false</emu-val>.</li></ol></li><li>Return <emu-val>true</emu-val>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>lowerLocale</var> be the <emu-xref href="#sec-case-sensitivity-and-case-mapping" id="_ref_230"><a href="#sec-case-sensitivity-and-case-mapping">ASCII-lowercase</a></emu-xref> of <var>locale</var>.</li><li>If <var>lowerLocale</var> cannot be matched by the <code>unicode_locale_id</code> <emu-xref href="#sec-language-tags" id="_ref_231"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, return <emu-val>false</emu-val>.</li><li>If <var>lowerLocale</var> uses any of the backwards compatibility syntax described in <a href="https://unicode.org/reports/tr35/#BCP_47_Conformance" data-print-href="">Unicode Technical Standard #35 Part 1 Core, Section 3.3 BCP 47 Conformance</a>, return <emu-val>false</emu-val>.</li><li>Let <var>baseName</var> be <emu-xref aoid="GetLocaleBaseName" id="_ref_232"><a href="#sec-getlocalebasename">GetLocaleBaseName</a></emu-xref>(<var>lowerLocale</var>).</li><li>Let <var>variants</var> be <emu-xref aoid="GetLocaleVariants" id="_ref_233"><a href="#sec-getlocalevariants">GetLocaleVariants</a></emu-xref>(<var>baseName</var>).</li><li>If <var>variants</var> is not <emu-val>undefined</emu-val>, then<ol><li>If <var>variants</var> contains any duplicate <emu-xref href="#bcp-47-subtag" id="_ref_234"><a href="#bcp-47-subtag">subtags</a></emu-xref>, return <emu-val>false</emu-val>.</li></ol></li><li>Let <var>allExtensions</var> be the suffix of <var>lowerLocale</var> following <var>baseName</var>.</li><li>If <var>allExtensions</var> contains a <emu-not-ref>substring</emu-not-ref> matched by the <code>pu_extensions</code> <emu-xref href="#sec-language-tags" id="_ref_235"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, let <var>extensions</var> be the prefix of <var>allExtensions</var> preceding the longest such <emu-not-ref>substring</emu-not-ref>. Otherwise, let <var>extensions</var> be <var>allExtensions</var>.</li><li>If <var>extensions</var> is not the empty String, then<ol><li>If <var>extensions</var> contains any duplicate <emu-xref href="#sec-language-tags" id="_ref_236"><a href="#sec-language-tags">singleton subtags</a></emu-xref>, return <emu-val>false</emu-val>.</li><li>Let <var>transformExtension</var> be the longest <emu-not-ref>substring</emu-not-ref> of <var>extensions</var> matched by the <code>transformed_extensions</code> <emu-xref href="#sec-language-tags" id="_ref_237"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>. If there is no such <emu-not-ref>substring</emu-not-ref>, return <emu-val>true</emu-val>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>transformExtension</var> from 0 to 3 is <emu-val>"-t-"</emu-val>.</li><li>Let <var>tPrefix</var> be the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>transformExtension</var> from 3.</li><li>Let <var>tlang</var> be the longest prefix of <var>tPrefix</var> matched by the <code>tlang</code> <emu-xref href="#sec-language-tags" id="_ref_238"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>. If there is no such prefix, return <emu-val>true</emu-val>.</li><li>Let <var>tlangRefinements</var> be the longest suffix of <var>tlang</var> following a non-empty prefix matched by the <code>unicode_language_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_239"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>If <var>tlangRefinements</var> contains any duplicate <emu-not-ref>substrings</emu-not-ref> matched greedily by the <code>unicode_variant_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_240"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, return <emu-val>false</emu-val>.</li></ol></li><li>Return <emu-val>true</emu-val>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-canonicalizeunicodelocaleid" type="abstract operation" aoid="CanonicalizeUnicodeLocaleId">
@@ -3170,13 +3170,13 @@ <h1><span class="secnum">14.1.1</span> Intl.Locale ( <var>tag</var> [ , <var>opt
     <emu-clause id="sec-updatelanguageid" type="abstract operation" oldids="sec-apply-options-to-tag" aoid="UpdateLanguageId"><span id="sec-apply-options-to-tag"></span>
       <h1><span class="secnum">14.1.2</span> UpdateLanguageId ( <var>tag</var>, <var>options</var> )</h1>
       <p>The abstract operation UpdateLanguageId takes arguments <var>tag</var> (a <emu-xref href="#sec-language-tags" id="_ref_625"><a href="#sec-language-tags">Unicode canonicalized locale identifier</a></emu-xref>) and <var>options</var> (an Object) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> a <emu-xref href="#sec-language-tags" id="_ref_626"><a href="#sec-language-tags">language tag</a></emu-xref> or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It updates the <code>unicode_language_id</code> <emu-xref href="#bcp-47-subtag" id="_ref_627"><a href="#bcp-47-subtag">subtags</a></emu-xref> in <var>tag</var> from the corresponding properties of <var>options</var> and returns the <emu-xref href="#sec-isstructurallyvalidlanguagetag" id="_ref_110"><a href="#sec-isstructurallyvalidlanguagetag">structurally valid</a></emu-xref> but non-canonicalized result. It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>languageId</var> be the longest prefix of <var>tag</var> matched by the <code>unicode_language_id</code> <emu-xref href="#sec-language-tags" id="_ref_628"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>Let <var>language</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_629"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"language"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-xref aoid="GetLocaleLanguage" id="_ref_630"><a href="#sec-getlocalelanguage">GetLocaleLanguage</a></emu-xref>(<var>languageId</var>)).</li><li>If <var>language</var> cannot be matched by the <code>unicode_language_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_631"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, throw a <emu-val>RangeError</emu-val> exception.</li><li>Let <var>script</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_632"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"script"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-xref aoid="GetLocaleScript" id="_ref_633"><a href="#sec-getlocalescript">GetLocaleScript</a></emu-xref>(<var>languageId</var>)).</li><li>If <var>script</var> is not <emu-val>undefined</emu-val>, then<ol><li>If <var>script</var> cannot be matched by the <code>unicode_script_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_634"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Let <var>region</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_635"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"region"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-xref aoid="GetLocaleRegion" id="_ref_636"><a href="#sec-getlocaleregion">GetLocaleRegion</a></emu-xref>(<var>languageId</var>)).</li><li>If <var>region</var> is not <emu-val>undefined</emu-val>, then<ol><li>If <var>region</var> cannot be matched by the <code>unicode_region_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_637"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Let <var>variants</var> be <emu-xref aoid="GetLocaleVariants" id="_ref_638"><a href="#sec-getlocalevariants">GetLocaleVariants</a></emu-xref>(<var>languageId</var>).</li><li>Let <var>newLanguageId</var> be <var>language</var>.</li><li>If <var>script</var> is not <emu-val>undefined</emu-val>, set <var>newLanguageId</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>newLanguageId</var>, <emu-val>"-"</emu-val>, and <var>script</var>.</li><li>If <var>region</var> is not <emu-val>undefined</emu-val>, set <var>newLanguageId</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>newLanguageId</var>, <emu-val>"-"</emu-val>, and <var>region</var>.</li><li>If <var>variants</var> is not <emu-val>undefined</emu-val>, set <var>newLanguageId</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>newLanguageId</var>, <emu-val>"-"</emu-val>, and <var>variants</var>.</li><li>Let <var>newTag</var> be <var>tag</var> with the <emu-not-ref>substring</emu-not-ref> matched by the <code>unicode_language_id</code> <emu-xref href="#sec-language-tags" id="_ref_639"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref> replaced by the string <var>newLanguageId</var>.</li><li>Return <var>newTag</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>baseName</var> be <emu-xref aoid="GetLocaleBaseName" id="_ref_628"><a href="#sec-getlocalebasename">GetLocaleBaseName</a></emu-xref>(<var>tag</var>).</li><li>Let <var>language</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_629"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"language"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-xref aoid="GetLocaleLanguage" id="_ref_630"><a href="#sec-getlocalelanguage">GetLocaleLanguage</a></emu-xref>(<var>baseName</var>)).</li><li>If <var>language</var> cannot be matched by the <code>unicode_language_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_631"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, throw a <emu-val>RangeError</emu-val> exception.</li><li>Let <var>script</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_632"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"script"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-xref aoid="GetLocaleScript" id="_ref_633"><a href="#sec-getlocalescript">GetLocaleScript</a></emu-xref>(<var>baseName</var>)).</li><li>If <var>script</var> is not <emu-val>undefined</emu-val>, then<ol><li>If <var>script</var> cannot be matched by the <code>unicode_script_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_634"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Let <var>region</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_635"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"region"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-xref aoid="GetLocaleRegion" id="_ref_636"><a href="#sec-getlocaleregion">GetLocaleRegion</a></emu-xref>(<var>baseName</var>)).</li><li>If <var>region</var> is not <emu-val>undefined</emu-val>, then<ol><li>If <var>region</var> cannot be matched by the <code>unicode_region_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_637"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Let <var>variants</var> be <emu-xref aoid="GetLocaleVariants" id="_ref_638"><a href="#sec-getlocalevariants">GetLocaleVariants</a></emu-xref>(<var>baseName</var>).</li><li>Let <var>allExtensions</var> be the suffix of <var>tag</var> following <var>baseName</var>.</li><li>Let <var>newTag</var> be <var>language</var>.</li><li>If <var>script</var> is not <emu-val>undefined</emu-val>, set <var>newTag</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>newTag</var>, <emu-val>"-"</emu-val>, and <var>script</var>.</li><li>If <var>region</var> is not <emu-val>undefined</emu-val>, set <var>newTag</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>newTag</var>, <emu-val>"-"</emu-val>, and <var>region</var>.</li><li>If <var>variants</var> is not <emu-val>undefined</emu-val>, set <var>newTag</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>newTag</var>, <emu-val>"-"</emu-val>, and <var>variants</var>.</li><li>Set <var>newTag</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>newTag</var> and <var>allExtensions</var>.</li><li>Return <var>newTag</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-makelocalerecord" type="abstract operation" oldids="sec-apply-unicode-extension-to-tag" aoid="MakeLocaleRecord"><span id="sec-apply-unicode-extension-to-tag"></span>
       <h1><span class="secnum">14.1.3</span> MakeLocaleRecord ( <var>tag</var>, <var>options</var>, <var>localeExtensionKeys</var> )</h1>
-      <p>The abstract operation MakeLocaleRecord takes arguments <var>tag</var> (a <emu-xref href="#sec-language-tags" id="_ref_640"><a href="#sec-language-tags">language tag</a></emu-xref>), <var>options</var> (a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>), and <var>localeExtensionKeys</var> (a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of Strings) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>. It constructs and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> in which each element of <var>localeExtensionKeys</var> defines a corresponding field with data from any <emu-xref href="#unicode-locale-extension-sequence" id="_ref_641"><a href="#unicode-locale-extension-sequence">Unicode locale extension sequence</a></emu-xref> of <var>tag</var> as overridden by a corresponding field of <var>options</var>, and which additionally includes a <var class="field">[[locale]]</var> field containing a <emu-xref href="#sec-language-tags" id="_ref_642"><a href="#sec-language-tags">Unicode canonicalized locale identifier</a></emu-xref> resulting from incorporating those fields into <var>tag</var>. It performs the following steps when called:</p>
-      <emu-alg><ol><li>If <var>tag</var> contains a <emu-not-ref>substring</emu-not-ref> that is a <emu-xref href="#unicode-locale-extension-sequence" id="_ref_643"><a href="#unicode-locale-extension-sequence">Unicode locale extension sequence</a></emu-xref>, then<ol><li>Let <var>extension</var> be the String value consisting of the <emu-not-ref>substring</emu-not-ref> of the <emu-xref href="#unicode-locale-extension-sequence" id="_ref_644"><a href="#unicode-locale-extension-sequence">Unicode locale extension sequence</a></emu-xref> within <var>tag</var>.</li><li>Let <var>components</var> be <emu-xref aoid="UnicodeExtensionComponents" id="_ref_645"><a href="#sec-unicode-extension-components">UnicodeExtensionComponents</a></emu-xref>(<var>extension</var>).</li><li>Let <var>attributes</var> be <var>components</var>.<var class="field">[[Attributes]]</var>.</li><li>Let <var>keywords</var> be <var>components</var>.<var class="field">[[Keywords]]</var>.</li></ol></li><li>Else,<ol><li>Let <var>attributes</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li><li>Let <var>keywords</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li></ol></li><li>Let <var>result</var> be a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>.</li><li>For each element <var>key</var> of <var>localeExtensionKeys</var>, do<ol><li>If <var>keywords</var> contains an element whose <var class="field">[[Key]]</var> is <var>key</var>, then<ol><li>Let <var>entry</var> be the element of <var>keywords</var> whose <var class="field">[[Key]]</var> is <var>key</var>.</li><li>Let <var>value</var> be <var>entry</var>.<var class="field">[[Value]]</var>.</li></ol></li><li>Else,<ol><li>Let <var>entry</var> be <emu-const>empty</emu-const>.</li><li>Let <var>value</var> be <emu-val>undefined</emu-val>.</li></ol></li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>options</var> has a field [[&lt;<var>key</var>&gt;]].</li><li>Let <var>overrideValue</var> be <var>options</var>.[[&lt;<var>key</var>&gt;]].</li><li>If <var>overrideValue</var> is not <emu-val>undefined</emu-val>, then<ol><li>Set <var>value</var> to <emu-xref aoid="CanonicalizeUValue" id="_ref_646"><a href="#sec-canonicalizeuvalue">CanonicalizeUValue</a></emu-xref>(<var>key</var>, <var>overrideValue</var>).</li><li>If <var>entry</var> is not <emu-const>empty</emu-const>, then<ol><li>Set <var>entry</var>.<var class="field">[[Value]]</var> to <var>value</var>.</li></ol></li><li>Else,<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Key]]</var>: <var>key</var>, <var class="field">[[Value]]</var>: <var>value</var>&nbsp;} to <var>keywords</var>.</li></ol></li></ol></li><li>Set <var>result</var>.[[&lt;<var>key</var>&gt;]] to <var>value</var>.</li></ol></li><li>Let <var>locale</var> be the String value that is <var>tag</var> with any <emu-xref href="#unicode-locale-extension-sequence" id="_ref_647"><a href="#unicode-locale-extension-sequence">Unicode locale extension sequences</a></emu-xref> removed.</li><li>If <var>attributes</var> is not empty or <var>keywords</var> is not empty, then<ol><li>Set <var>result</var>.<var class="field">[[locale]]</var> to <emu-xref aoid="InsertUnicodeExtensionAndCanonicalize" id="_ref_648"><a href="#sec-insert-unicode-extension-and-canonicalize">InsertUnicodeExtensionAndCanonicalize</a></emu-xref>(<var>locale</var>, <var>attributes</var>, <var>keywords</var>).</li></ol></li><li>Else,<ol><li>Set <var>result</var>.<var class="field">[[locale]]</var> to <emu-xref aoid="CanonicalizeUnicodeLocaleId" id="_ref_649"><a href="#sec-canonicalizeunicodelocaleid">CanonicalizeUnicodeLocaleId</a></emu-xref>(<var>locale</var>).</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
+      <p>The abstract operation MakeLocaleRecord takes arguments <var>tag</var> (a <emu-xref href="#sec-language-tags" id="_ref_639"><a href="#sec-language-tags">language tag</a></emu-xref>), <var>options</var> (a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>), and <var>localeExtensionKeys</var> (a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of Strings) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>. It constructs and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> in which each element of <var>localeExtensionKeys</var> defines a corresponding field with data from any <emu-xref href="#unicode-locale-extension-sequence" id="_ref_640"><a href="#unicode-locale-extension-sequence">Unicode locale extension sequence</a></emu-xref> of <var>tag</var> as overridden by a corresponding field of <var>options</var>, and which additionally includes a <var class="field">[[locale]]</var> field containing a <emu-xref href="#sec-language-tags" id="_ref_641"><a href="#sec-language-tags">Unicode canonicalized locale identifier</a></emu-xref> resulting from incorporating those fields into <var>tag</var>. It performs the following steps when called:</p>
+      <emu-alg><ol><li>If <var>tag</var> contains a <emu-not-ref>substring</emu-not-ref> that is a <emu-xref href="#unicode-locale-extension-sequence" id="_ref_642"><a href="#unicode-locale-extension-sequence">Unicode locale extension sequence</a></emu-xref>, then<ol><li>Let <var>extension</var> be the String value consisting of the <emu-not-ref>substring</emu-not-ref> of the <emu-xref href="#unicode-locale-extension-sequence" id="_ref_643"><a href="#unicode-locale-extension-sequence">Unicode locale extension sequence</a></emu-xref> within <var>tag</var>.</li><li>Let <var>components</var> be <emu-xref aoid="UnicodeExtensionComponents" id="_ref_644"><a href="#sec-unicode-extension-components">UnicodeExtensionComponents</a></emu-xref>(<var>extension</var>).</li><li>Let <var>attributes</var> be <var>components</var>.<var class="field">[[Attributes]]</var>.</li><li>Let <var>keywords</var> be <var>components</var>.<var class="field">[[Keywords]]</var>.</li></ol></li><li>Else,<ol><li>Let <var>attributes</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li><li>Let <var>keywords</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li></ol></li><li>Let <var>result</var> be a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>.</li><li>For each element <var>key</var> of <var>localeExtensionKeys</var>, do<ol><li>If <var>keywords</var> contains an element whose <var class="field">[[Key]]</var> is <var>key</var>, then<ol><li>Let <var>entry</var> be the element of <var>keywords</var> whose <var class="field">[[Key]]</var> is <var>key</var>.</li><li>Let <var>value</var> be <var>entry</var>.<var class="field">[[Value]]</var>.</li></ol></li><li>Else,<ol><li>Let <var>entry</var> be <emu-const>empty</emu-const>.</li><li>Let <var>value</var> be <emu-val>undefined</emu-val>.</li></ol></li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>options</var> has a field [[&lt;<var>key</var>&gt;]].</li><li>Let <var>overrideValue</var> be <var>options</var>.[[&lt;<var>key</var>&gt;]].</li><li>If <var>overrideValue</var> is not <emu-val>undefined</emu-val>, then<ol><li>Set <var>value</var> to <emu-xref aoid="CanonicalizeUValue" id="_ref_645"><a href="#sec-canonicalizeuvalue">CanonicalizeUValue</a></emu-xref>(<var>key</var>, <var>overrideValue</var>).</li><li>If <var>entry</var> is not <emu-const>empty</emu-const>, then<ol><li>Set <var>entry</var>.<var class="field">[[Value]]</var> to <var>value</var>.</li></ol></li><li>Else,<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Key]]</var>: <var>key</var>, <var class="field">[[Value]]</var>: <var>value</var>&nbsp;} to <var>keywords</var>.</li></ol></li></ol></li><li>Set <var>result</var>.[[&lt;<var>key</var>&gt;]] to <var>value</var>.</li></ol></li><li>Let <var>locale</var> be the String value that is <var>tag</var> with any <emu-xref href="#unicode-locale-extension-sequence" id="_ref_646"><a href="#unicode-locale-extension-sequence">Unicode locale extension sequences</a></emu-xref> removed.</li><li>If <var>attributes</var> is not empty or <var>keywords</var> is not empty, then<ol><li>Set <var>result</var>.<var class="field">[[locale]]</var> to <emu-xref aoid="InsertUnicodeExtensionAndCanonicalize" id="_ref_647"><a href="#sec-insert-unicode-extension-and-canonicalize">InsertUnicodeExtensionAndCanonicalize</a></emu-xref>(<var>locale</var>, <var>attributes</var>, <var>keywords</var>).</li></ol></li><li>Else,<ol><li>Set <var>result</var>.<var class="field">[[locale]]</var> to <emu-xref aoid="CanonicalizeUnicodeLocaleId" id="_ref_648"><a href="#sec-canonicalizeunicodelocaleid">CanonicalizeUnicodeLocaleId</a></emu-xref>(<var>locale</var>).</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 
@@ -3191,7 +3191,7 @@ <h1><span class="secnum">14.2</span> Properties of the Intl.Locale Constructor</
       <h1><span class="secnum">14.2.1</span> Intl.Locale.prototype</h1>
 
       <p>
-        The value of <code>Intl.Locale.prototype</code> is <emu-xref href="#sec-properties-of-intl-locale-prototype-object" id="_ref_650"><a href="#sec-properties-of-intl-locale-prototype-object">%Intl.Locale.prototype%</a></emu-xref>.
+        The value of <code>Intl.Locale.prototype</code> is <emu-xref href="#sec-properties-of-intl-locale-prototype-object" id="_ref_649"><a href="#sec-properties-of-intl-locale-prototype-object">%Intl.Locale.prototype%</a></emu-xref>.
       </p>
       <p>
         This property has the attributes { <var class="field">[[Writable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Enumerable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Configurable]]</var>: <emu-val>false</emu-val> }.
@@ -3202,7 +3202,7 @@ <h1><span class="secnum">14.2.1</span> Intl.Locale.prototype</h1>
       <h1><span class="secnum">14.2.2</span> Internal slots</h1>
 
       <p>
-        The value of the <var class="field">[[LocaleExtensionKeys]]</var> internal slot is « <emu-val>"ca"</emu-val>, <emu-val>"co"</emu-val>, <emu-val>"hc"</emu-val>, <emu-val>"kf"</emu-val>, <emu-val>"kn"</emu-val>, <emu-val>"nu"</emu-val> ». If <emu-xref href="#sec-the-intl-collator-constructor" id="_ref_651"><a href="#sec-the-intl-collator-constructor">%Intl.Collator%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var> does not contain <emu-val>"kf"</emu-val>, then remove <emu-val>"kf"</emu-val> from <emu-xref href="#sec-intl-locale-constructor" id="_ref_652"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>.<var class="field">[[LocaleExtensionKeys]]</var>. If <emu-xref href="#sec-the-intl-collator-constructor" id="_ref_653"><a href="#sec-the-intl-collator-constructor">%Intl.Collator%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var> does not contain <emu-val>"kn"</emu-val>, then remove <emu-val>"kn"</emu-val> from <emu-xref href="#sec-intl-locale-constructor" id="_ref_654"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>.<var class="field">[[LocaleExtensionKeys]]</var>.
+        The value of the <var class="field">[[LocaleExtensionKeys]]</var> internal slot is « <emu-val>"ca"</emu-val>, <emu-val>"co"</emu-val>, <emu-val>"hc"</emu-val>, <emu-val>"kf"</emu-val>, <emu-val>"kn"</emu-val>, <emu-val>"nu"</emu-val> ». If <emu-xref href="#sec-the-intl-collator-constructor" id="_ref_650"><a href="#sec-the-intl-collator-constructor">%Intl.Collator%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var> does not contain <emu-val>"kf"</emu-val>, then remove <emu-val>"kf"</emu-val> from <emu-xref href="#sec-intl-locale-constructor" id="_ref_651"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>.<var class="field">[[LocaleExtensionKeys]]</var>. If <emu-xref href="#sec-the-intl-collator-constructor" id="_ref_652"><a href="#sec-the-intl-collator-constructor">%Intl.Collator%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var> does not contain <emu-val>"kn"</emu-val>, then remove <emu-val>"kn"</emu-val> from <emu-xref href="#sec-intl-locale-constructor" id="_ref_653"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>.<var class="field">[[LocaleExtensionKeys]]</var>.
       </p>
     </emu-clause>
   </emu-clause>
@@ -3218,7 +3218,7 @@ <h1><span class="secnum">14.3</span> Properties of the Intl.Locale Prototype Obj
       <h1><span class="secnum">14.3.1</span> Intl.Locale.prototype.constructor</h1>
 
       <p>
-        The initial value of <code>Intl.Locale.prototype.constructor</code> is <emu-xref href="#sec-intl-locale-constructor" id="_ref_655"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>.
+        The initial value of <code>Intl.Locale.prototype.constructor</code> is <emu-xref href="#sec-intl-locale-constructor" id="_ref_654"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>.
       </p>
     </emu-clause>
 
@@ -3237,13 +3237,13 @@ <h1><span class="secnum">14.3.2</span> Intl.Locale.prototype [ %Symbol.toStringT
     <emu-clause id="sec-Intl.Locale.prototype.maximize">
       <h1><span class="secnum">14.3.3</span> Intl.Locale.prototype.maximize ( )</h1>
 
-      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Let <var>maximal</var> be the result of the <a href="https://unicode.org/reports/tr35/#Likely_Subtags" data-print-href="">Add Likely Subtags</a> algorithm applied to <var>loc</var>.<var class="field">[[Locale]]</var>. If an error is signaled, set <var>maximal</var> to <var>loc</var>.<var class="field">[[Locale]]</var>.</li><li>Return !&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-locale-constructor" id="_ref_656"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>, <var>maximal</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Let <var>maximal</var> be the result of the <a href="https://unicode.org/reports/tr35/#Likely_Subtags" data-print-href="">Add Likely Subtags</a> algorithm applied to <var>loc</var>.<var class="field">[[Locale]]</var>. If an error is signaled, set <var>maximal</var> to <var>loc</var>.<var class="field">[[Locale]]</var>.</li><li>Return !&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-locale-constructor" id="_ref_655"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>, <var>maximal</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-Intl.Locale.prototype.minimize">
       <h1><span class="secnum">14.3.4</span> Intl.Locale.prototype.minimize ( )</h1>
 
-      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Let <var>minimal</var> be the result of the <a href="https://unicode.org/reports/tr35/#Likely_Subtags" data-print-href="">Remove Likely Subtags</a> algorithm applied to <var>loc</var>.<var class="field">[[Locale]]</var>. If an error is signaled, set <var>minimal</var> to <var>loc</var>.<var class="field">[[Locale]]</var>.</li><li>Return !&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-locale-constructor" id="_ref_657"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>, <var>minimal</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Let <var>minimal</var> be the result of the <a href="https://unicode.org/reports/tr35/#Likely_Subtags" data-print-href="">Remove Likely Subtags</a> algorithm applied to <var>loc</var>.<var class="field">[[Locale]]</var>. If an error is signaled, set <var>minimal</var> to <var>loc</var>.<var class="field">[[Locale]]</var>.</li><li>Return !&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-locale-constructor" id="_ref_656"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>, <var>minimal</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-Intl.Locale.prototype.toString">
@@ -3255,7 +3255,7 @@ <h1><span class="secnum">14.3.5</span> Intl.Locale.prototype.toString ( )</h1>
     <emu-clause id="sec-Intl.Locale.prototype.baseName">
       <h1><span class="secnum">14.3.6</span> get Intl.Locale.prototype.baseName</h1>
       <p><code>Intl.Locale.prototype.baseName</code> is an <emu-xref href="#sec-object-type"><a href="https://tc39.es/ecma262/#sec-object-type">accessor property</a></emu-xref> whose set accessor function is <emu-val>undefined</emu-val>. Its get accessor function performs the following steps:</p>
-      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Let <var>locale</var> be <var>loc</var>.<var class="field">[[Locale]]</var>.</li><li>Return the longest prefix of <var>locale</var> matched by the <code>unicode_language_id</code> <emu-xref href="#sec-language-tags" id="_ref_658"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Return <emu-xref aoid="GetLocaleBaseName" id="_ref_657"><a href="#sec-getlocalebasename">GetLocaleBaseName</a></emu-xref>(<var>loc</var>.<var class="field">[[Locale]]</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-Intl.Locale.prototype.calendar">
@@ -3266,7 +3266,7 @@ <h1><span class="secnum">14.3.7</span> get Intl.Locale.prototype.calendar</h1>
 
     <emu-clause id="sec-Intl.Locale.prototype.caseFirst">
       <h1><span class="secnum">14.3.8</span> get Intl.Locale.prototype.caseFirst</h1>
-      <p>This property only exists if <emu-xref href="#sec-intl-locale-constructor" id="_ref_659"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>.<var class="field">[[LocaleExtensionKeys]]</var> contains <emu-val>"kf"</emu-val>.</p>
+      <p>This property only exists if <emu-xref href="#sec-intl-locale-constructor" id="_ref_658"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>.<var class="field">[[LocaleExtensionKeys]]</var> contains <emu-val>"kf"</emu-val>.</p>
       <p><code>Intl.Locale.prototype.caseFirst</code> is an <emu-xref href="#sec-object-type"><a href="https://tc39.es/ecma262/#sec-object-type">accessor property</a></emu-xref> whose set accessor function is <emu-val>undefined</emu-val>. Its get accessor function performs the following steps:</p>
       <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Return <var>loc</var>.<var class="field">[[CaseFirst]]</var>.</li></ol></emu-alg>
     </emu-clause>
@@ -3285,7 +3285,7 @@ <h1><span class="secnum">14.3.10</span> get Intl.Locale.prototype.hourCycle</h1>
 
     <emu-clause id="sec-Intl.Locale.prototype.numeric">
       <h1><span class="secnum">14.3.11</span> get Intl.Locale.prototype.numeric</h1>
-      <p>This property only exists if <emu-xref href="#sec-intl-locale-constructor" id="_ref_660"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>.<var class="field">[[LocaleExtensionKeys]]</var> contains <emu-val>"kn"</emu-val>.</p>
+      <p>This property only exists if <emu-xref href="#sec-intl-locale-constructor" id="_ref_659"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref>.<var class="field">[[LocaleExtensionKeys]]</var> contains <emu-val>"kn"</emu-val>.</p>
       <p><code>Intl.Locale.prototype.numeric</code> is an <emu-xref href="#sec-object-type"><a href="https://tc39.es/ecma262/#sec-object-type">accessor property</a></emu-xref> whose set accessor function is <emu-val>undefined</emu-val>. Its get accessor function performs the following steps:</p>
       <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Return <var>loc</var>.<var class="field">[[Numeric]]</var>.</li></ol></emu-alg>
     </emu-clause>
@@ -3299,19 +3299,19 @@ <h1><span class="secnum">14.3.12</span> get Intl.Locale.prototype.numberingSyste
     <emu-clause id="sec-Intl.Locale.prototype.language">
       <h1><span class="secnum">14.3.13</span> get Intl.Locale.prototype.language</h1>
       <p><code>Intl.Locale.prototype.language</code> is an <emu-xref href="#sec-object-type"><a href="https://tc39.es/ecma262/#sec-object-type">accessor property</a></emu-xref> whose set accessor function is <emu-val>undefined</emu-val>. Its get accessor function performs the following steps:</p>
-      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Return <emu-xref aoid="GetLocaleLanguage" id="_ref_661"><a href="#sec-getlocalelanguage">GetLocaleLanguage</a></emu-xref>(<var>loc</var>.<var class="field">[[Locale]]</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Return <emu-xref aoid="GetLocaleLanguage" id="_ref_660"><a href="#sec-getlocalelanguage">GetLocaleLanguage</a></emu-xref>(<var>loc</var>.<var class="field">[[Locale]]</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-Intl.Locale.prototype.script">
       <h1><span class="secnum">14.3.14</span> get Intl.Locale.prototype.script</h1>
       <p><code>Intl.Locale.prototype.script</code> is an <emu-xref href="#sec-object-type"><a href="https://tc39.es/ecma262/#sec-object-type">accessor property</a></emu-xref> whose set accessor function is <emu-val>undefined</emu-val>. Its get accessor function performs the following steps:</p>
-      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Return <emu-xref aoid="GetLocaleScript" id="_ref_662"><a href="#sec-getlocalescript">GetLocaleScript</a></emu-xref>(<var>loc</var>.<var class="field">[[Locale]]</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Return <emu-xref aoid="GetLocaleScript" id="_ref_661"><a href="#sec-getlocalescript">GetLocaleScript</a></emu-xref>(<var>loc</var>.<var class="field">[[Locale]]</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-Intl.Locale.prototype.region">
       <h1><span class="secnum">14.3.15</span> get Intl.Locale.prototype.region</h1>
       <p><code>Intl.Locale.prototype.region</code> is an <emu-xref href="#sec-object-type"><a href="https://tc39.es/ecma262/#sec-object-type">accessor property</a></emu-xref> whose set accessor function is <emu-val>undefined</emu-val>. Its get accessor function performs the following steps:</p>
-      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Return <emu-xref aoid="GetLocaleRegion" id="_ref_663"><a href="#sec-getlocaleregion">GetLocaleRegion</a></emu-xref>(<var>loc</var>.<var class="field">[[Locale]]</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>loc</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>loc</var>, <var class="field">[[InitializedLocale]]</var>).</li><li>Return <emu-xref aoid="GetLocaleRegion" id="_ref_662"><a href="#sec-getlocaleregion">GetLocaleRegion</a></emu-xref>(<var>loc</var>.<var class="field">[[Locale]]</var>).</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 
@@ -3319,7 +3319,7 @@ <h1><span class="secnum">14.3.15</span> get Intl.Locale.prototype.region</h1>
     <h1><span class="secnum">14.4</span> Properties of Intl.Locale Instances</h1>
 
     <p>
-      Intl.Locale instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-properties-of-intl-locale-prototype-object" id="_ref_664"><a href="#sec-properties-of-intl-locale-prototype-object">%Intl.Locale.prototype%</a></emu-xref>.
+      Intl.Locale instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-properties-of-intl-locale-prototype-object" id="_ref_663"><a href="#sec-properties-of-intl-locale-prototype-object">%Intl.Locale.prototype%</a></emu-xref>.
     </p>
 
     <p>
@@ -3331,41 +3331,47 @@ <h1><span class="secnum">14.4</span> Properties of Intl.Locale Instances</h1>
     </p>
 
     <ul>
-      <li><var class="field">[[Locale]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the <emu-xref href="#sec-language-tags" id="_ref_665"><a href="#sec-language-tags">language tag</a></emu-xref> of the locale whose localization is used for formatting.</li>
+      <li><var class="field">[[Locale]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the <emu-xref href="#sec-language-tags" id="_ref_664"><a href="#sec-language-tags">language tag</a></emu-xref> of the locale whose localization is used for formatting.</li>
       <li><var class="field">[[Calendar]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value that is a syntactically valid type value as given in <a href="https://unicode.org/reports/tr35/#Unicode_locale_identifier" data-print-href="">Unicode Technical Standard #35 Part 1 Core, Section 3.2 Unicode Locale Identifier</a>, or is <emu-val>undefined</emu-val>.</li>
       <li><var class="field">[[Collation]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value that is a syntactically valid type value as given in <a href="https://unicode.org/reports/tr35/#Unicode_locale_identifier" data-print-href="">Unicode Technical Standard #35 Part 1 Core, Section 3.2 Unicode Locale Identifier</a>, or is <emu-val>undefined</emu-val>.</li>
       <li><var class="field">[[HourCycle]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value that is a syntactically valid type value as given in <a href="https://unicode.org/reports/tr35/#Unicode_locale_identifier" data-print-href="">Unicode Technical Standard #35 Part 1 Core, Section 3.2 Unicode Locale Identifier</a>, or is <emu-val>undefined</emu-val>.</li>
       <li><var class="field">[[NumberingSystem]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value that is a syntactically valid type value as given in <a href="https://unicode.org/reports/tr35/#Unicode_locale_identifier" data-print-href="">Unicode Technical Standard #35 Part 1 Core, Section 3.2 Unicode Locale Identifier</a>, or is <emu-val>undefined</emu-val>.</li>
-      <li><var class="field">[[CaseFirst]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value that is a syntactically valid type value as given in <a href="https://unicode.org/reports/tr35/#Unicode_locale_identifier" data-print-href="">Unicode Technical Standard #35 Part 1 Core, Section 3.2 Unicode Locale Identifier</a>, or is <emu-val>undefined</emu-val>. This internal slot only exists if the <var class="field">[[LocaleExtensionKeys]]</var> internal slot of <emu-xref href="#sec-intl-locale-constructor" id="_ref_666"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref> contains <emu-val>"kf"</emu-val>.</li>
-      <li><var class="field">[[Numeric]]</var> <emu-xref href="#sec-ecmascript-language-types-boolean-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-boolean-type">is a Boolean</a></emu-xref> value specifying whether numeric sorting is used by the locale, or is <emu-val>undefined</emu-val>. This internal slot only exists if the <var class="field">[[LocaleExtensionKeys]]</var> internal slot of <emu-xref href="#sec-intl-locale-constructor" id="_ref_667"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref> contains <emu-val>"kn"</emu-val>.</li>
+      <li><var class="field">[[CaseFirst]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value that is a syntactically valid type value as given in <a href="https://unicode.org/reports/tr35/#Unicode_locale_identifier" data-print-href="">Unicode Technical Standard #35 Part 1 Core, Section 3.2 Unicode Locale Identifier</a>, or is <emu-val>undefined</emu-val>. This internal slot only exists if the <var class="field">[[LocaleExtensionKeys]]</var> internal slot of <emu-xref href="#sec-intl-locale-constructor" id="_ref_665"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref> contains <emu-val>"kf"</emu-val>.</li>
+      <li><var class="field">[[Numeric]]</var> <emu-xref href="#sec-ecmascript-language-types-boolean-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-boolean-type">is a Boolean</a></emu-xref> value specifying whether numeric sorting is used by the locale, or is <emu-val>undefined</emu-val>. This internal slot only exists if the <var class="field">[[LocaleExtensionKeys]]</var> internal slot of <emu-xref href="#sec-intl-locale-constructor" id="_ref_666"><a href="#sec-intl-locale-constructor">%Intl.Locale%</a></emu-xref> contains <emu-val>"kn"</emu-val>.</li>
     </ul>
   </emu-clause>
 
   <emu-clause id="sec-intl-locale-abstracts">
     <h1><span class="secnum">14.5</span> Abstract Operations for Locale Objects</h1>
 
+    <emu-clause id="sec-getlocalebasename" type="abstract operation" aoid="GetLocaleBaseName">
+      <h1><span class="secnum">14.5.1</span> GetLocaleBaseName ( <var>locale</var> )</h1>
+      <p>The abstract operation GetLocaleBaseName takes argument <var>locale</var> (a String) and returns a String. It performs the following steps when called:</p>
+      <emu-alg><ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>locale</var> can be matched by the <code>unicode_locale_id</code> <emu-xref href="#sec-language-tags" id="_ref_667"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>Return the longest prefix of <var>locale</var> matched by the <code>unicode_language_id</code> <emu-xref href="#sec-language-tags" id="_ref_668"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li></ol></emu-alg>
+    </emu-clause>
+
     <emu-clause id="sec-getlocalelanguage" type="abstract operation" aoid="GetLocaleLanguage">
-      <h1><span class="secnum">14.5.1</span> GetLocaleLanguage ( <var>locale</var> )</h1>
+      <h1><span class="secnum">14.5.2</span> GetLocaleLanguage ( <var>locale</var> )</h1>
       <p>The abstract operation GetLocaleLanguage takes argument <var>locale</var> (a String) and returns a String. It performs the following steps when called:</p>
-      <emu-alg><ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>locale</var> can be matched by the <code>unicode_locale_id</code> <emu-xref href="#sec-language-tags" id="_ref_668"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>Let <var>languageId</var> be the longest prefix of <var>locale</var> matched by the <code>unicode_language_id</code> <emu-xref href="#sec-language-tags" id="_ref_669"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The first <emu-xref href="#bcp-47-subtag" id="_ref_670"><a href="#bcp-47-subtag">subtag</a></emu-xref> of <var>languageId</var> can be matched by the <code>unicode_language_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_671"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>Return the first <emu-xref href="#bcp-47-subtag" id="_ref_672"><a href="#bcp-47-subtag">subtag</a></emu-xref> of <var>languageId</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>baseName</var> be <emu-xref aoid="GetLocaleBaseName" id="_ref_669"><a href="#sec-getlocalebasename">GetLocaleBaseName</a></emu-xref>(<var>locale</var>).</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The first <emu-xref href="#bcp-47-subtag" id="_ref_670"><a href="#bcp-47-subtag">subtag</a></emu-xref> of <var>baseName</var> can be matched by the <code>unicode_language_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_671"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>Return the first <emu-xref href="#bcp-47-subtag" id="_ref_672"><a href="#bcp-47-subtag">subtag</a></emu-xref> of <var>baseName</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-getlocalescript" type="abstract operation" aoid="GetLocaleScript">
-      <h1><span class="secnum">14.5.2</span> GetLocaleScript ( <var>locale</var> )</h1>
+      <h1><span class="secnum">14.5.3</span> GetLocaleScript ( <var>locale</var> )</h1>
       <p>The abstract operation GetLocaleScript takes argument <var>locale</var> (a String) and returns a String or <emu-val>undefined</emu-val>. It performs the following steps when called:</p>
-      <emu-alg><ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>locale</var> can be matched by the <code>unicode_locale_id</code> <emu-xref href="#sec-language-tags" id="_ref_673"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>Let <var>languageId</var> be the longest prefix of <var>locale</var> matched by the <code>unicode_language_id</code> <emu-xref href="#sec-language-tags" id="_ref_674"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>languageId</var> contains at most one <emu-xref href="#bcp-47-subtag" id="_ref_675"><a href="#bcp-47-subtag">subtag</a></emu-xref> that can be matched by the <code>unicode_script_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_676"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>If <var>languageId</var> contains a <emu-xref href="#bcp-47-subtag" id="_ref_677"><a href="#bcp-47-subtag">subtag</a></emu-xref> matched by the <code>unicode_script_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_678"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, return that <emu-xref href="#bcp-47-subtag" id="_ref_679"><a href="#bcp-47-subtag">subtag</a></emu-xref>.</li><li>Return <emu-val>undefined</emu-val>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>baseName</var> be <emu-xref aoid="GetLocaleBaseName" id="_ref_673"><a href="#sec-getlocalebasename">GetLocaleBaseName</a></emu-xref>(<var>locale</var>).</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>baseName</var> contains at most one <emu-xref href="#bcp-47-subtag" id="_ref_674"><a href="#bcp-47-subtag">subtag</a></emu-xref> that can be matched by the <code>unicode_script_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_675"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>If <var>baseName</var> contains a <emu-xref href="#bcp-47-subtag" id="_ref_676"><a href="#bcp-47-subtag">subtag</a></emu-xref> matched by the <code>unicode_script_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_677"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, return that <emu-xref href="#bcp-47-subtag" id="_ref_678"><a href="#bcp-47-subtag">subtag</a></emu-xref>.</li><li>Return <emu-val>undefined</emu-val>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-getlocaleregion" type="abstract operation" aoid="GetLocaleRegion">
-      <h1><span class="secnum">14.5.3</span> GetLocaleRegion ( <var>locale</var> )</h1>
+      <h1><span class="secnum">14.5.4</span> GetLocaleRegion ( <var>locale</var> )</h1>
       <p>The abstract operation GetLocaleRegion takes argument <var>locale</var> (a String) and returns a String or <emu-val>undefined</emu-val>. It performs the following steps when called:</p>
-      <emu-alg><ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>locale</var> can be matched by the <code>unicode_locale_id</code> <emu-xref href="#sec-language-tags" id="_ref_680"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>Let <var>languageId</var> be the longest prefix of <var>locale</var> matched by the <code>unicode_language_id</code> <emu-xref href="#sec-language-tags" id="_ref_681"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>NOTE: A <code>unicode_region_subtag</code> <emu-xref href="#bcp-47-subtag" id="_ref_682"><a href="#bcp-47-subtag">subtag</a></emu-xref> is only valid immediately after an initial <code>unicode_language_subtag</code> <emu-xref href="#bcp-47-subtag" id="_ref_683"><a href="#bcp-47-subtag">subtag</a></emu-xref>, optionally with a single <code>unicode_script_subtag</code> <emu-xref href="#bcp-47-subtag" id="_ref_684"><a href="#bcp-47-subtag">subtag</a></emu-xref> between them. In that position, <code>unicode_region_subtag</code> cannot be confused with any other valid <emu-xref href="#bcp-47-subtag" id="_ref_685"><a href="#bcp-47-subtag">subtag</a></emu-xref> because all their productions are disjoint.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The first <emu-xref href="#bcp-47-subtag" id="_ref_686"><a href="#bcp-47-subtag">subtag</a></emu-xref> of <var>languageId</var> can be matched by the <code>unicode_language_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_687"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>Let <var>languageIdTail</var> be the suffix of <var>languageId</var> following the first <emu-xref href="#bcp-47-subtag" id="_ref_688"><a href="#bcp-47-subtag">subtag</a></emu-xref>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>languageIdTail</var> contains at most one <emu-xref href="#bcp-47-subtag" id="_ref_689"><a href="#bcp-47-subtag">subtag</a></emu-xref> that can be matched by the <code>unicode_region_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_690"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>If <var>languageIdTail</var> contains a <emu-xref href="#bcp-47-subtag" id="_ref_691"><a href="#bcp-47-subtag">subtag</a></emu-xref> matched by the <code>unicode_region_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_692"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, return that <emu-xref href="#bcp-47-subtag" id="_ref_693"><a href="#bcp-47-subtag">subtag</a></emu-xref>.</li><li>Return <emu-val>undefined</emu-val>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>baseName</var> be <emu-xref aoid="GetLocaleBaseName" id="_ref_679"><a href="#sec-getlocalebasename">GetLocaleBaseName</a></emu-xref>(<var>locale</var>).</li><li>NOTE: A <code>unicode_region_subtag</code> <emu-xref href="#bcp-47-subtag" id="_ref_680"><a href="#bcp-47-subtag">subtag</a></emu-xref> is only valid immediately after an initial <code>unicode_language_subtag</code> <emu-xref href="#bcp-47-subtag" id="_ref_681"><a href="#bcp-47-subtag">subtag</a></emu-xref>, optionally with a single <code>unicode_script_subtag</code> <emu-xref href="#bcp-47-subtag" id="_ref_682"><a href="#bcp-47-subtag">subtag</a></emu-xref> between them. In that position, <code>unicode_region_subtag</code> cannot be confused with any other valid <emu-xref href="#bcp-47-subtag" id="_ref_683"><a href="#bcp-47-subtag">subtag</a></emu-xref> because all their productions are disjoint.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The first <emu-xref href="#bcp-47-subtag" id="_ref_684"><a href="#bcp-47-subtag">subtag</a></emu-xref> of <var>baseName</var> can be matched by the <code>unicode_language_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_685"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>Let <var>baseNameTail</var> be the suffix of <var>baseName</var> following the first <emu-xref href="#bcp-47-subtag" id="_ref_686"><a href="#bcp-47-subtag">subtag</a></emu-xref>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>baseNameTail</var> contains at most one <emu-xref href="#bcp-47-subtag" id="_ref_687"><a href="#bcp-47-subtag">subtag</a></emu-xref> that can be matched by the <code>unicode_region_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_688"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>If <var>baseNameTail</var> contains a <emu-xref href="#bcp-47-subtag" id="_ref_689"><a href="#bcp-47-subtag">subtag</a></emu-xref> matched by the <code>unicode_region_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_690"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, return that <emu-xref href="#bcp-47-subtag" id="_ref_691"><a href="#bcp-47-subtag">subtag</a></emu-xref>.</li><li>Return <emu-val>undefined</emu-val>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-getlocalevariants" type="abstract operation" aoid="GetLocaleVariants">
-      <h1><span class="secnum">14.5.4</span> GetLocaleVariants ( <var>locale</var> )</h1>
+      <h1><span class="secnum">14.5.5</span> GetLocaleVariants ( <var>locale</var> )</h1>
       <p>The abstract operation GetLocaleVariants takes argument <var>locale</var> (a String) and returns a String or <emu-val>undefined</emu-val>. It performs the following steps when called:</p>
-      <emu-alg><ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>locale</var> can be matched by the <code>unicode_locale_id</code> <emu-xref href="#sec-language-tags" id="_ref_694"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>Let <var>languageId</var> be the longest prefix of <var>locale</var> matched by the <code>unicode_language_id</code> <emu-xref href="#sec-language-tags" id="_ref_695"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>.</li><li>If there is a non-empty suffix of <var>languageId</var> that is a consecutive sequence of <emu-not-ref>substrings</emu-not-ref> in which each element is a <emu-val>"-"</emu-val> followed by a <emu-not-ref>substring</emu-not-ref> that is matched by the <code>unicode_variant_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_696"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, then<ol><li>Let <var>variants</var> be the longest such suffix.</li><li>Return the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>variants</var> from 1.</li></ol></li><li>Return <emu-val>undefined</emu-val>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>baseName</var> be <emu-xref aoid="GetLocaleBaseName" id="_ref_692"><a href="#sec-getlocalebasename">GetLocaleBaseName</a></emu-xref>(<var>locale</var>).</li><li>If there is a non-empty suffix of <var>baseName</var> that is a consecutive sequence of <emu-not-ref>substrings</emu-not-ref> in which each element is a <emu-val>"-"</emu-val> followed by a <emu-not-ref>substring</emu-not-ref> that is matched by the <code>unicode_variant_subtag</code> <emu-xref href="#sec-language-tags" id="_ref_693"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, then<ol><li>Let <var>variants</var> be the longest such suffix.</li><li>Return the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>variants</var> from 1.</li></ol></li><li>Return <emu-val>undefined</emu-val>.</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 </emu-clause></emu-import>
@@ -3376,7 +3382,7 @@ <h1><span class="secnum">15</span> NumberFormat Objects</h1>
     <h1><span class="secnum">15.1</span> The Intl.NumberFormat Constructor</h1>
 
     <p>
-      The NumberFormat <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> is the <dfn tabindex="-1">%Intl.NumberFormat%</dfn> intrinsic object and a standard built-in property of the Intl object. Behaviour common to all <emu-xref href="#service-constructor" id="_ref_697"><a href="#service-constructor">service constructor</a></emu-xref> properties of the Intl object is specified in <emu-xref href="#sec-internal-slots" id="_ref_111"><a href="#sec-internal-slots">9.1</a></emu-xref>.
+      The NumberFormat <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> is the <dfn tabindex="-1">%Intl.NumberFormat%</dfn> intrinsic object and a standard built-in property of the Intl object. Behaviour common to all <emu-xref href="#service-constructor" id="_ref_694"><a href="#service-constructor">service constructor</a></emu-xref> properties of the Intl object is specified in <emu-xref href="#sec-internal-slots" id="_ref_111"><a href="#sec-internal-slots">9.1</a></emu-xref>.
     </p>
 
     <emu-clause id="sec-intl.numberformat" oldids="sec-initializenumberformat"><span id="sec-initializenumberformat"></span>
@@ -3386,13 +3392,13 @@ <h1><span class="secnum">15.1.1</span> Intl.NumberFormat ( [ <var>locales</var>
         When the <code>Intl.NumberFormat</code> function is called with optional arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>If NewTarget is <emu-val>undefined</emu-val>, let <var>newTarget</var> be the <emu-xref href="#active-function-object"><a href="https://tc39.es/ecma262/#active-function-object">active function object</a></emu-xref>, else let <var>newTarget</var> be NewTarget.</li><li>Let <var>numberFormat</var> be ?&nbsp;<emu-xref aoid="OrdinaryCreateFromConstructor"><a href="https://tc39.es/ecma262/#sec-ordinarycreatefromconstructor">OrdinaryCreateFromConstructor</a></emu-xref>(<var>newTarget</var>, <emu-val>"%Intl.NumberFormat.prototype%"</emu-val>, « <var class="field">[[InitializedNumberFormat]]</var>, <var class="field">[[Locale]]</var>, <var class="field">[[LocaleData]]</var>, <var class="field">[[NumberingSystem]]</var>, <var class="field">[[Style]]</var>, <var class="field">[[Unit]]</var>, <var class="field">[[UnitDisplay]]</var>, <var class="field">[[Currency]]</var>, <var class="field">[[CurrencyDisplay]]</var>, <var class="field">[[CurrencySign]]</var>, <var class="field">[[MinimumIntegerDigits]]</var>, <var class="field">[[MinimumFractionDigits]]</var>, <var class="field">[[MaximumFractionDigits]]</var>, <var class="field">[[MinimumSignificantDigits]]</var>, <var class="field">[[MaximumSignificantDigits]]</var>, <var class="field">[[RoundingType]]</var>, <var class="field">[[Notation]]</var>, <var class="field">[[CompactDisplay]]</var>, <var class="field">[[UseGrouping]]</var>, <var class="field">[[SignDisplay]]</var>, <var class="field">[[RoundingIncrement]]</var>, <var class="field">[[RoundingMode]]</var>, <var class="field">[[ComputedRoundingPriority]]</var>, <var class="field">[[TrailingZeroDisplay]]</var>, <var class="field">[[BoundFormat]]</var>&nbsp;»).</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_698"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Set <var>options</var> to ?&nbsp;<emu-xref aoid="CoerceOptionsToObject" id="_ref_699"><a href="#sec-coerceoptionstoobject">CoerceOptionsToObject</a></emu-xref>(<var>options</var>).</li><li>Let <var>opt</var> be a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>.</li><li>Let <var>matcher</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_700"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"localeMatcher"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"lookup"</emu-val>, <emu-val>"best fit"</emu-val>&nbsp;», <emu-val>"best fit"</emu-val>).</li><li>Set <var>opt</var>.<var class="field">[[localeMatcher]]</var> to <var>matcher</var>.</li><li>Let <var>numberingSystem</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_701"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"numberingSystem"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-val>undefined</emu-val>).</li><li>If <var>numberingSystem</var> is not <emu-val>undefined</emu-val>, then<ol><li>If <var>numberingSystem</var> cannot be matched by the <code>type</code> <emu-xref href="#sec-language-tags" id="_ref_702"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Set <var>opt</var>.<var class="field">[[nu]]</var> to <var>numberingSystem</var>.</li><li>Let <var>r</var> be <emu-xref aoid="ResolveLocale" id="_ref_703"><a href="#sec-resolvelocale">ResolveLocale</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_704"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>, <var>requestedLocales</var>, <var>opt</var>, <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_705"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var>, <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_706"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.<var class="field">[[LocaleData]]</var>).</li><li>Set <var>numberFormat</var>.<var class="field">[[Locale]]</var> to <var>r</var>.<var class="field">[[Locale]]</var>.</li><li>Set <var>numberFormat</var>.<var class="field">[[LocaleData]]</var> to <var>r</var>.<var class="field">[[LocaleData]]</var>.</li><li>Set <var>numberFormat</var>.<var class="field">[[NumberingSystem]]</var> to <var>r</var>.<var class="field">[[nu]]</var>.</li><li>Perform ?&nbsp;<emu-xref aoid="SetNumberFormatUnitOptions" id="_ref_707"><a href="#sec-setnumberformatunitoptions">SetNumberFormatUnitOptions</a></emu-xref>(<var>numberFormat</var>, <var>options</var>).</li><li>Let <var>style</var> be <var>numberFormat</var>.<var class="field">[[Style]]</var>.</li><li>If <var>style</var> is <emu-val>"currency"</emu-val>, then<ol><li>Let <var>currency</var> be <var>numberFormat</var>.<var class="field">[[Currency]]</var>.</li><li>Let <var>cDigits</var> be <emu-xref aoid="CurrencyDigits" id="_ref_708"><a href="#sec-currencydigits">CurrencyDigits</a></emu-xref>(<var>currency</var>).</li><li>Let <var>mnfdDefault</var> be <var>cDigits</var>.</li><li>Let <var>mxfdDefault</var> be <var>cDigits</var>.</li></ol></li><li>Else,<ol><li>Let <var>mnfdDefault</var> be 0.</li><li>If <var>style</var> is <emu-val>"percent"</emu-val>, then<ol><li>Let <var>mxfdDefault</var> be 0.</li></ol></li><li>Else,<ol><li>Let <var>mxfdDefault</var> be 3.</li></ol></li></ol></li><li>Let <var>notation</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_709"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"notation"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"standard"</emu-val>, <emu-val>"scientific"</emu-val>, <emu-val>"engineering"</emu-val>, <emu-val>"compact"</emu-val>&nbsp;», <emu-val>"standard"</emu-val>).</li><li>Set <var>numberFormat</var>.<var class="field">[[Notation]]</var> to <var>notation</var>.</li><li>Perform ?&nbsp;<emu-xref aoid="SetNumberFormatDigitOptions" id="_ref_710"><a href="#sec-setnfdigitoptions">SetNumberFormatDigitOptions</a></emu-xref>(<var>numberFormat</var>, <var>options</var>, <var>mnfdDefault</var>, <var>mxfdDefault</var>, <var>notation</var>).</li><li>Let <var>compactDisplay</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_711"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"compactDisplay"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"short"</emu-val>, <emu-val>"long"</emu-val>&nbsp;», <emu-val>"short"</emu-val>).</li><li>Let <var>defaultUseGrouping</var> be <emu-val>"auto"</emu-val>.</li><li>If <var>notation</var> is <emu-val>"compact"</emu-val>, then<ol><li>Set <var>numberFormat</var>.<var class="field">[[CompactDisplay]]</var> to <var>compactDisplay</var>.</li><li>Set <var>defaultUseGrouping</var> to <emu-val>"min2"</emu-val>.</li></ol></li><li>NOTE: For historical reasons, the strings <emu-val>"true"</emu-val> and <emu-val>"false"</emu-val> are accepted and replaced with the default value.</li><li>Let <var>useGrouping</var> be ?&nbsp;<emu-xref aoid="GetBooleanOrStringNumberFormatOption" id="_ref_712"><a href="#sec-getbooleanorstringnumberformatoption">GetBooleanOrStringNumberFormatOption</a></emu-xref>(<var>options</var>, <emu-val>"useGrouping"</emu-val>, « <emu-val>"min2"</emu-val>, <emu-val>"auto"</emu-val>, <emu-val>"always"</emu-val>, <emu-val>"true"</emu-val>, <emu-val>"false"</emu-val>&nbsp;», <var>defaultUseGrouping</var>).</li><li>If <var>useGrouping</var> is <emu-val>"true"</emu-val> or <var>useGrouping</var> is <emu-val>"false"</emu-val>, set <var>useGrouping</var> to <var>defaultUseGrouping</var>.</li><li>If <var>useGrouping</var> is <emu-val>true</emu-val>, set <var>useGrouping</var> to <emu-val>"always"</emu-val>.</li><li>Set <var>numberFormat</var>.<var class="field">[[UseGrouping]]</var> to <var>useGrouping</var>.</li><li>Let <var>signDisplay</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_713"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"signDisplay"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"auto"</emu-val>, <emu-val>"never"</emu-val>, <emu-val>"always"</emu-val>, <emu-val>"exceptZero"</emu-val>, <emu-val>"negative"</emu-val>&nbsp;», <emu-val>"auto"</emu-val>).</li><li>Set <var>numberFormat</var>.<var class="field">[[SignDisplay]]</var> to <var>signDisplay</var>.</li><li>If the implementation supports the normative optional <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> mode of <emu-xref href="#legacy-constructor" id="_ref_112"><a href="#legacy-constructor">4.3 Note 1</a></emu-xref>, then<ol><li>Let <var>this</var> be the <emu-val>this</emu-val> value.</li><li>Return ?&nbsp;<emu-xref aoid="ChainNumberFormat" id="_ref_714"><a href="#sec-chainnumberformat">ChainNumberFormat</a></emu-xref>(<var>numberFormat</var>, NewTarget, <var>this</var>).</li></ol></li><li>Return <var>numberFormat</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>If NewTarget is <emu-val>undefined</emu-val>, let <var>newTarget</var> be the <emu-xref href="#active-function-object"><a href="https://tc39.es/ecma262/#active-function-object">active function object</a></emu-xref>, else let <var>newTarget</var> be NewTarget.</li><li>Let <var>numberFormat</var> be ?&nbsp;<emu-xref aoid="OrdinaryCreateFromConstructor"><a href="https://tc39.es/ecma262/#sec-ordinarycreatefromconstructor">OrdinaryCreateFromConstructor</a></emu-xref>(<var>newTarget</var>, <emu-val>"%Intl.NumberFormat.prototype%"</emu-val>, « <var class="field">[[InitializedNumberFormat]]</var>, <var class="field">[[Locale]]</var>, <var class="field">[[LocaleData]]</var>, <var class="field">[[NumberingSystem]]</var>, <var class="field">[[Style]]</var>, <var class="field">[[Unit]]</var>, <var class="field">[[UnitDisplay]]</var>, <var class="field">[[Currency]]</var>, <var class="field">[[CurrencyDisplay]]</var>, <var class="field">[[CurrencySign]]</var>, <var class="field">[[MinimumIntegerDigits]]</var>, <var class="field">[[MinimumFractionDigits]]</var>, <var class="field">[[MaximumFractionDigits]]</var>, <var class="field">[[MinimumSignificantDigits]]</var>, <var class="field">[[MaximumSignificantDigits]]</var>, <var class="field">[[RoundingType]]</var>, <var class="field">[[Notation]]</var>, <var class="field">[[CompactDisplay]]</var>, <var class="field">[[UseGrouping]]</var>, <var class="field">[[SignDisplay]]</var>, <var class="field">[[RoundingIncrement]]</var>, <var class="field">[[RoundingMode]]</var>, <var class="field">[[ComputedRoundingPriority]]</var>, <var class="field">[[TrailingZeroDisplay]]</var>, <var class="field">[[BoundFormat]]</var>&nbsp;»).</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_695"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Set <var>options</var> to ?&nbsp;<emu-xref aoid="CoerceOptionsToObject" id="_ref_696"><a href="#sec-coerceoptionstoobject">CoerceOptionsToObject</a></emu-xref>(<var>options</var>).</li><li>Let <var>opt</var> be a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>.</li><li>Let <var>matcher</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_697"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"localeMatcher"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"lookup"</emu-val>, <emu-val>"best fit"</emu-val>&nbsp;», <emu-val>"best fit"</emu-val>).</li><li>Set <var>opt</var>.<var class="field">[[localeMatcher]]</var> to <var>matcher</var>.</li><li>Let <var>numberingSystem</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_698"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"numberingSystem"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-val>undefined</emu-val>).</li><li>If <var>numberingSystem</var> is not <emu-val>undefined</emu-val>, then<ol><li>If <var>numberingSystem</var> cannot be matched by the <code>type</code> <emu-xref href="#sec-language-tags" id="_ref_699"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Set <var>opt</var>.<var class="field">[[nu]]</var> to <var>numberingSystem</var>.</li><li>Let <var>r</var> be <emu-xref aoid="ResolveLocale" id="_ref_700"><a href="#sec-resolvelocale">ResolveLocale</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_701"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>, <var>requestedLocales</var>, <var>opt</var>, <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_702"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var>, <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_703"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.<var class="field">[[LocaleData]]</var>).</li><li>Set <var>numberFormat</var>.<var class="field">[[Locale]]</var> to <var>r</var>.<var class="field">[[Locale]]</var>.</li><li>Set <var>numberFormat</var>.<var class="field">[[LocaleData]]</var> to <var>r</var>.<var class="field">[[LocaleData]]</var>.</li><li>Set <var>numberFormat</var>.<var class="field">[[NumberingSystem]]</var> to <var>r</var>.<var class="field">[[nu]]</var>.</li><li>Perform ?&nbsp;<emu-xref aoid="SetNumberFormatUnitOptions" id="_ref_704"><a href="#sec-setnumberformatunitoptions">SetNumberFormatUnitOptions</a></emu-xref>(<var>numberFormat</var>, <var>options</var>).</li><li>Let <var>style</var> be <var>numberFormat</var>.<var class="field">[[Style]]</var>.</li><li>If <var>style</var> is <emu-val>"currency"</emu-val>, then<ol><li>Let <var>currency</var> be <var>numberFormat</var>.<var class="field">[[Currency]]</var>.</li><li>Let <var>cDigits</var> be <emu-xref aoid="CurrencyDigits" id="_ref_705"><a href="#sec-currencydigits">CurrencyDigits</a></emu-xref>(<var>currency</var>).</li><li>Let <var>mnfdDefault</var> be <var>cDigits</var>.</li><li>Let <var>mxfdDefault</var> be <var>cDigits</var>.</li></ol></li><li>Else,<ol><li>Let <var>mnfdDefault</var> be 0.</li><li>If <var>style</var> is <emu-val>"percent"</emu-val>, then<ol><li>Let <var>mxfdDefault</var> be 0.</li></ol></li><li>Else,<ol><li>Let <var>mxfdDefault</var> be 3.</li></ol></li></ol></li><li>Let <var>notation</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_706"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"notation"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"standard"</emu-val>, <emu-val>"scientific"</emu-val>, <emu-val>"engineering"</emu-val>, <emu-val>"compact"</emu-val>&nbsp;», <emu-val>"standard"</emu-val>).</li><li>Set <var>numberFormat</var>.<var class="field">[[Notation]]</var> to <var>notation</var>.</li><li>Perform ?&nbsp;<emu-xref aoid="SetNumberFormatDigitOptions" id="_ref_707"><a href="#sec-setnfdigitoptions">SetNumberFormatDigitOptions</a></emu-xref>(<var>numberFormat</var>, <var>options</var>, <var>mnfdDefault</var>, <var>mxfdDefault</var>, <var>notation</var>).</li><li>Let <var>compactDisplay</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_708"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"compactDisplay"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"short"</emu-val>, <emu-val>"long"</emu-val>&nbsp;», <emu-val>"short"</emu-val>).</li><li>Let <var>defaultUseGrouping</var> be <emu-val>"auto"</emu-val>.</li><li>If <var>notation</var> is <emu-val>"compact"</emu-val>, then<ol><li>Set <var>numberFormat</var>.<var class="field">[[CompactDisplay]]</var> to <var>compactDisplay</var>.</li><li>Set <var>defaultUseGrouping</var> to <emu-val>"min2"</emu-val>.</li></ol></li><li>NOTE: For historical reasons, the strings <emu-val>"true"</emu-val> and <emu-val>"false"</emu-val> are accepted and replaced with the default value.</li><li>Let <var>useGrouping</var> be ?&nbsp;<emu-xref aoid="GetBooleanOrStringNumberFormatOption" id="_ref_709"><a href="#sec-getbooleanorstringnumberformatoption">GetBooleanOrStringNumberFormatOption</a></emu-xref>(<var>options</var>, <emu-val>"useGrouping"</emu-val>, « <emu-val>"min2"</emu-val>, <emu-val>"auto"</emu-val>, <emu-val>"always"</emu-val>, <emu-val>"true"</emu-val>, <emu-val>"false"</emu-val>&nbsp;», <var>defaultUseGrouping</var>).</li><li>If <var>useGrouping</var> is <emu-val>"true"</emu-val> or <var>useGrouping</var> is <emu-val>"false"</emu-val>, set <var>useGrouping</var> to <var>defaultUseGrouping</var>.</li><li>If <var>useGrouping</var> is <emu-val>true</emu-val>, set <var>useGrouping</var> to <emu-val>"always"</emu-val>.</li><li>Set <var>numberFormat</var>.<var class="field">[[UseGrouping]]</var> to <var>useGrouping</var>.</li><li>Let <var>signDisplay</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_710"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"signDisplay"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"auto"</emu-val>, <emu-val>"never"</emu-val>, <emu-val>"always"</emu-val>, <emu-val>"exceptZero"</emu-val>, <emu-val>"negative"</emu-val>&nbsp;», <emu-val>"auto"</emu-val>).</li><li>Set <var>numberFormat</var>.<var class="field">[[SignDisplay]]</var> to <var>signDisplay</var>.</li><li>If the implementation supports the normative optional <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> mode of <emu-xref href="#legacy-constructor" id="_ref_112"><a href="#legacy-constructor">4.3 Note 1</a></emu-xref>, then<ol><li>Let <var>this</var> be the <emu-val>this</emu-val> value.</li><li>Return ?&nbsp;<emu-xref aoid="ChainNumberFormat" id="_ref_711"><a href="#sec-chainnumberformat">ChainNumberFormat</a></emu-xref>(<var>numberFormat</var>, NewTarget, <var>this</var>).</li></ol></li><li>Return <var>numberFormat</var>.</li></ol></emu-alg>
 
       <emu-normative-optional>
       <emu-clause id="sec-chainnumberformat" type="abstract operation" aoid="ChainNumberFormat">
         <h1><span class="secnum">15.1.1.1</span> ChainNumberFormat ( <var>numberFormat</var>, <var>newTarget</var>, <var>this</var> )</h1>
         <p>The abstract operation ChainNumberFormat takes arguments <var>numberFormat</var> (an Intl.NumberFormat), <var>newTarget</var> (an <emu-xref href="#sec-ecmascript-language-types"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types">ECMAScript language value</a></emu-xref>), and <var>this</var> (an <emu-xref href="#sec-ecmascript-language-types"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types">ECMAScript language value</a></emu-xref>) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> an Object or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It performs the following steps when called:</p>
-        <emu-alg><ol><li>If <var>newTarget</var> is <emu-val>undefined</emu-val> and ?&nbsp;<emu-xref aoid="OrdinaryHasInstance"><a href="https://tc39.es/ecma262/#sec-ordinaryhasinstance">OrdinaryHasInstance</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_715"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>, <var>this</var>) is <emu-val>true</emu-val>, then<ol><li>Perform ?&nbsp;<emu-xref aoid="DefinePropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-definepropertyorthrow">DefinePropertyOrThrow</a></emu-xref>(<var>this</var>, <emu-xref href="#intl-object" id="_ref_716"><a href="#intl-object">%Intl%</a></emu-xref>.<var class="field">[[FallbackSymbol]]</var>, PropertyDescriptor{ <var class="field">[[Value]]</var>: <var>numberFormat</var>, <var class="field">[[Writable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Enumerable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Configurable]]</var>: <emu-val>false</emu-val>&nbsp;}).</li><li>Return <var>this</var>.</li></ol></li><li>Return <var>numberFormat</var>.</li></ol></emu-alg>
+        <emu-alg><ol><li>If <var>newTarget</var> is <emu-val>undefined</emu-val> and ?&nbsp;<emu-xref aoid="OrdinaryHasInstance"><a href="https://tc39.es/ecma262/#sec-ordinaryhasinstance">OrdinaryHasInstance</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_712"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>, <var>this</var>) is <emu-val>true</emu-val>, then<ol><li>Perform ?&nbsp;<emu-xref aoid="DefinePropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-definepropertyorthrow">DefinePropertyOrThrow</a></emu-xref>(<var>this</var>, <emu-xref href="#intl-object" id="_ref_713"><a href="#intl-object">%Intl%</a></emu-xref>.<var class="field">[[FallbackSymbol]]</var>, PropertyDescriptor{ <var class="field">[[Value]]</var>: <var>numberFormat</var>, <var class="field">[[Writable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Enumerable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Configurable]]</var>: <emu-val>false</emu-val>&nbsp;}).</li><li>Return <var>this</var>.</li></ol></li><li>Return <var>numberFormat</var>.</li></ol></emu-alg>
       </emu-clause>
       </emu-normative-optional>
     </emu-clause>
@@ -3400,13 +3406,13 @@ <h1><span class="secnum">15.1.1.1</span> ChainNumberFormat ( <var>numberFormat</
     <emu-clause id="sec-setnfdigitoptions" type="abstract operation" aoid="SetNumberFormatDigitOptions">
       <h1><span class="secnum">15.1.2</span> SetNumberFormatDigitOptions ( <var>intlObj</var>, <var>options</var>, <var>mnfdDefault</var>, <var>mxfdDefault</var>, <var>notation</var> )</h1>
       <p>The abstract operation SetNumberFormatDigitOptions takes arguments <var>intlObj</var> (an Object), <var>options</var> (an Object), <var>mnfdDefault</var> (an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>), <var>mxfdDefault</var> (an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>), and <var>notation</var> (a String) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> <emu-const>unused</emu-const> or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It populates the internal slots of <var>intlObj</var> that affect locale-independent number rounding (see <emu-xref href="#sec-formatnumberstring" id="_ref_113"><a href="#sec-formatnumberstring">15.5.3</a></emu-xref>). It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>mnid</var> be ?&nbsp;<emu-xref aoid="GetNumberOption" id="_ref_717"><a href="#sec-getnumberoption">GetNumberOption</a></emu-xref>(<var>options</var>, <emu-val>"minimumIntegerDigits,"</emu-val>, 1, 21, 1).</li><li>Let <var>mnfd</var> be ?&nbsp;<emu-xref aoid="Get"><a href="https://tc39.es/ecma262/#sec-get-o-p">Get</a></emu-xref>(<var>options</var>, <emu-val>"minimumFractionDigits"</emu-val>).</li><li>Let <var>mxfd</var> be ?&nbsp;<emu-xref aoid="Get"><a href="https://tc39.es/ecma262/#sec-get-o-p">Get</a></emu-xref>(<var>options</var>, <emu-val>"maximumFractionDigits"</emu-val>).</li><li>Let <var>mnsd</var> be ?&nbsp;<emu-xref aoid="Get"><a href="https://tc39.es/ecma262/#sec-get-o-p">Get</a></emu-xref>(<var>options</var>, <emu-val>"minimumSignificantDigits"</emu-val>).</li><li>Let <var>mxsd</var> be ?&nbsp;<emu-xref aoid="Get"><a href="https://tc39.es/ecma262/#sec-get-o-p">Get</a></emu-xref>(<var>options</var>, <emu-val>"maximumSignificantDigits"</emu-val>).</li><li>Set <var>intlObj</var>.<var class="field">[[MinimumIntegerDigits]]</var> to <var>mnid</var>.</li><li>Let <var>roundingIncrement</var> be ?&nbsp;<emu-xref aoid="GetNumberOption" id="_ref_718"><a href="#sec-getnumberoption">GetNumberOption</a></emu-xref>(<var>options</var>, <emu-val>"roundingIncrement"</emu-val>, 1, 5000, 1).</li><li>If <var>roundingIncrement</var> is not in « 1, 2, 5, 10, 20, 25, 50, 100, 200, 250, 500, 1000, 2000, 2500, 5000&nbsp;», throw a <emu-val>RangeError</emu-val> exception.</li><li>Let <var>roundingMode</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_719"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"roundingMode"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"ceil"</emu-val>, <emu-val>"floor"</emu-val>, <emu-val>"expand"</emu-val>, <emu-val>"trunc"</emu-val>, <emu-val>"halfCeil"</emu-val>, <emu-val>"halfFloor"</emu-val>, <emu-val>"halfExpand"</emu-val>, <emu-val>"halfTrunc"</emu-val>, <emu-val>"halfEven"</emu-val>&nbsp;», <emu-val>"halfExpand"</emu-val>).</li><li>Let <var>roundingPriority</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_720"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"roundingPriority"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"auto"</emu-val>, <emu-val>"morePrecision"</emu-val>, <emu-val>"lessPrecision"</emu-val>&nbsp;», <emu-val>"auto"</emu-val>).</li><li>Let <var>trailingZeroDisplay</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_721"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"trailingZeroDisplay"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"auto"</emu-val>, <emu-val>"stripIfInteger"</emu-val>&nbsp;», <emu-val>"auto"</emu-val>).</li><li>NOTE: All fields required by <emu-xref aoid="SetNumberFormatDigitOptions" id="_ref_722"><a href="#sec-setnfdigitoptions">SetNumberFormatDigitOptions</a></emu-xref> have now been read from <var>options</var>. The remainder of this AO interprets the options and may throw exceptions.</li><li>If <var>roundingIncrement</var> is not 1, set <var>mxfdDefault</var> to <var>mnfdDefault</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[RoundingIncrement]]</var> to <var>roundingIncrement</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[RoundingMode]]</var> to <var>roundingMode</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[TrailingZeroDisplay]]</var> to <var>trailingZeroDisplay</var>.</li><li>If <var>mnsd</var> is <emu-val>undefined</emu-val> and <var>mxsd</var> is <emu-val>undefined</emu-val>, let <var>hasSd</var> be <emu-val>false</emu-val>. Otherwise, let <var>hasSd</var> be <emu-val>true</emu-val>.</li><li>If <var>mnfd</var> is <emu-val>undefined</emu-val> and <var>mxsd</var> is <emu-val>undefined</emu-val>, let <var>hasFd</var> be <emu-val>false</emu-val>. Otherwise, let <var>hasFd</var> be <emu-val>true</emu-val>.</li><li>Let <var>needSd</var> be <emu-val>true</emu-val>.</li><li>Let <var>needFd</var> be <emu-val>true</emu-val>.</li><li>If <var>roundingPriority</var> is <emu-val>"auto"</emu-val>, then<ol><li>Set <var>needSd</var> to <var>hasSd</var>.</li><li>If <var>needSd</var> is <emu-val>true</emu-val>, or <var>hasFd</var> is <emu-val>false</emu-val> and <var>notation</var> is <emu-val>"compact"</emu-val>, then<ol><li>Set <var>needFd</var> to <emu-val>false</emu-val>.</li></ol></li></ol></li><li>If <var>needSd</var> is <emu-val>true</emu-val>, then<ol><li>If <var>hasSd</var> is <emu-val>true</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[MinimumSignificantDigits]]</var> to ?&nbsp;<emu-xref aoid="DefaultNumberOption" id="_ref_723"><a href="#sec-defaultnumberoption">DefaultNumberOption</a></emu-xref>(<var>mnsd</var>, 1, 21, 1).</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumSignificantDigits]]</var> to ?&nbsp;<emu-xref aoid="DefaultNumberOption" id="_ref_724"><a href="#sec-defaultnumberoption">DefaultNumberOption</a></emu-xref>(<var>mxsd</var>, <var>intlObj</var>.<var class="field">[[MinimumSignificantDigits]]</var>, 21, 21).</li></ol></li><li>Else,<ol><li>Set <var>intlObj</var>.<var class="field">[[MinimumSignificantDigits]]</var> to 1.</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumSignificantDigits]]</var> to 21.</li></ol></li></ol></li><li>If <var>needFd</var> is <emu-val>true</emu-val>, then<ol><li>If <var>hasFd</var> is <emu-val>true</emu-val>, then<ol><li>Set <var>mnfd</var> to ?&nbsp;<emu-xref aoid="DefaultNumberOption" id="_ref_725"><a href="#sec-defaultnumberoption">DefaultNumberOption</a></emu-xref>(<var>mnfd</var>, 0, 100, <emu-val>undefined</emu-val>).</li><li>Set <var>mxfd</var> to ?&nbsp;<emu-xref aoid="DefaultNumberOption" id="_ref_726"><a href="#sec-defaultnumberoption">DefaultNumberOption</a></emu-xref>(<var>mxfd</var>, 0, 100, <emu-val>undefined</emu-val>).</li><li>If <var>mnfd</var> is <emu-val>undefined</emu-val>, set <var>mnfd</var> to <emu-xref aoid="min"><a href="https://tc39.es/ecma262/#eqn-min">min</a></emu-xref>(<var>mnfdDefault</var>, <var>mxfd</var>).</li><li>Else if <var>mxfd</var> is <emu-val>undefined</emu-val>, set <var>mxfd</var> to <emu-xref aoid="max"><a href="https://tc39.es/ecma262/#eqn-max">max</a></emu-xref>(<var>mxfdDefault</var>, <var>mnfd</var>).</li><li>Else if <var>mnfd</var> is greater than <var>mxfd</var>, throw a <emu-val>RangeError</emu-val> exception.</li><li>Set <var>intlObj</var>.<var class="field">[[MinimumFractionDigits]]</var> to <var>mnfd</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumFractionDigits]]</var> to <var>mxfd</var>.</li></ol></li><li>Else,<ol><li>Set <var>intlObj</var>.<var class="field">[[MinimumFractionDigits]]</var> to <var>mnfdDefault</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumFractionDigits]]</var> to <var>mxfdDefault</var>.</li></ol></li></ol></li><li>If <var>needSd</var> is <emu-val>false</emu-val> and <var>needFd</var> is <emu-val>false</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[MinimumFractionDigits]]</var> to 0.</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumFractionDigits]]</var> to 0.</li><li>Set <var>intlObj</var>.<var class="field">[[MinimumSignificantDigits]]</var> to 1.</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumSignificantDigits]]</var> to 2.</li><li>Set <var>intlObj</var>.<var class="field">[[RoundingType]]</var> to <emu-const>more-precision</emu-const>.</li><li>Set <var>intlObj</var>.<var class="field">[[ComputedRoundingPriority]]</var> to <emu-val>"morePrecision"</emu-val>.</li></ol></li><li>Else if <var>roundingPriority</var> is <emu-val>"morePrecision"</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[RoundingType]]</var> to <emu-const>more-precision</emu-const>.</li><li>Set <var>intlObj</var>.<var class="field">[[ComputedRoundingPriority]]</var> to <emu-val>"morePrecision"</emu-val>.</li></ol></li><li>Else if <var>roundingPriority</var> is <emu-val>"lessPrecision"</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[RoundingType]]</var> to <emu-const>less-precision</emu-const>.</li><li>Set <var>intlObj</var>.<var class="field">[[ComputedRoundingPriority]]</var> to <emu-val>"lessPrecision"</emu-val>.</li></ol></li><li>Else if <var>hasSd</var> is <emu-val>true</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[RoundingType]]</var> to <emu-const>significant-digits</emu-const>.</li><li>Set <var>intlObj</var>.<var class="field">[[ComputedRoundingPriority]]</var> to <emu-val>"auto"</emu-val>.</li></ol></li><li>Else,<ol><li>Set <var>intlObj</var>.<var class="field">[[RoundingType]]</var> to <emu-const>fraction-digits</emu-const>.</li><li>Set <var>intlObj</var>.<var class="field">[[ComputedRoundingPriority]]</var> to <emu-val>"auto"</emu-val>.</li></ol></li><li>If <var>roundingIncrement</var> is not 1, then<ol><li>If <var>intlObj</var>.<var class="field">[[RoundingType]]</var> is not <emu-const>fraction-digits</emu-const>, throw a <emu-val>TypeError</emu-val> exception.</li><li>If <var>intlObj</var>.<var class="field">[[MaximumFractionDigits]]</var> is not <var>intlObj</var>.<var class="field">[[MinimumFractionDigits]]</var>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Return <emu-const>unused</emu-const>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>mnid</var> be ?&nbsp;<emu-xref aoid="GetNumberOption" id="_ref_714"><a href="#sec-getnumberoption">GetNumberOption</a></emu-xref>(<var>options</var>, <emu-val>"minimumIntegerDigits,"</emu-val>, 1, 21, 1).</li><li>Let <var>mnfd</var> be ?&nbsp;<emu-xref aoid="Get"><a href="https://tc39.es/ecma262/#sec-get-o-p">Get</a></emu-xref>(<var>options</var>, <emu-val>"minimumFractionDigits"</emu-val>).</li><li>Let <var>mxfd</var> be ?&nbsp;<emu-xref aoid="Get"><a href="https://tc39.es/ecma262/#sec-get-o-p">Get</a></emu-xref>(<var>options</var>, <emu-val>"maximumFractionDigits"</emu-val>).</li><li>Let <var>mnsd</var> be ?&nbsp;<emu-xref aoid="Get"><a href="https://tc39.es/ecma262/#sec-get-o-p">Get</a></emu-xref>(<var>options</var>, <emu-val>"minimumSignificantDigits"</emu-val>).</li><li>Let <var>mxsd</var> be ?&nbsp;<emu-xref aoid="Get"><a href="https://tc39.es/ecma262/#sec-get-o-p">Get</a></emu-xref>(<var>options</var>, <emu-val>"maximumSignificantDigits"</emu-val>).</li><li>Set <var>intlObj</var>.<var class="field">[[MinimumIntegerDigits]]</var> to <var>mnid</var>.</li><li>Let <var>roundingIncrement</var> be ?&nbsp;<emu-xref aoid="GetNumberOption" id="_ref_715"><a href="#sec-getnumberoption">GetNumberOption</a></emu-xref>(<var>options</var>, <emu-val>"roundingIncrement"</emu-val>, 1, 5000, 1).</li><li>If <var>roundingIncrement</var> is not in « 1, 2, 5, 10, 20, 25, 50, 100, 200, 250, 500, 1000, 2000, 2500, 5000&nbsp;», throw a <emu-val>RangeError</emu-val> exception.</li><li>Let <var>roundingMode</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_716"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"roundingMode"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"ceil"</emu-val>, <emu-val>"floor"</emu-val>, <emu-val>"expand"</emu-val>, <emu-val>"trunc"</emu-val>, <emu-val>"halfCeil"</emu-val>, <emu-val>"halfFloor"</emu-val>, <emu-val>"halfExpand"</emu-val>, <emu-val>"halfTrunc"</emu-val>, <emu-val>"halfEven"</emu-val>&nbsp;», <emu-val>"halfExpand"</emu-val>).</li><li>Let <var>roundingPriority</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_717"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"roundingPriority"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"auto"</emu-val>, <emu-val>"morePrecision"</emu-val>, <emu-val>"lessPrecision"</emu-val>&nbsp;», <emu-val>"auto"</emu-val>).</li><li>Let <var>trailingZeroDisplay</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_718"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"trailingZeroDisplay"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"auto"</emu-val>, <emu-val>"stripIfInteger"</emu-val>&nbsp;», <emu-val>"auto"</emu-val>).</li><li>NOTE: All fields required by <emu-xref aoid="SetNumberFormatDigitOptions" id="_ref_719"><a href="#sec-setnfdigitoptions">SetNumberFormatDigitOptions</a></emu-xref> have now been read from <var>options</var>. The remainder of this AO interprets the options and may throw exceptions.</li><li>If <var>roundingIncrement</var> is not 1, set <var>mxfdDefault</var> to <var>mnfdDefault</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[RoundingIncrement]]</var> to <var>roundingIncrement</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[RoundingMode]]</var> to <var>roundingMode</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[TrailingZeroDisplay]]</var> to <var>trailingZeroDisplay</var>.</li><li>If <var>mnsd</var> is <emu-val>undefined</emu-val> and <var>mxsd</var> is <emu-val>undefined</emu-val>, let <var>hasSd</var> be <emu-val>false</emu-val>. Otherwise, let <var>hasSd</var> be <emu-val>true</emu-val>.</li><li>If <var>mnfd</var> is <emu-val>undefined</emu-val> and <var>mxsd</var> is <emu-val>undefined</emu-val>, let <var>hasFd</var> be <emu-val>false</emu-val>. Otherwise, let <var>hasFd</var> be <emu-val>true</emu-val>.</li><li>Let <var>needSd</var> be <emu-val>true</emu-val>.</li><li>Let <var>needFd</var> be <emu-val>true</emu-val>.</li><li>If <var>roundingPriority</var> is <emu-val>"auto"</emu-val>, then<ol><li>Set <var>needSd</var> to <var>hasSd</var>.</li><li>If <var>needSd</var> is <emu-val>true</emu-val>, or <var>hasFd</var> is <emu-val>false</emu-val> and <var>notation</var> is <emu-val>"compact"</emu-val>, then<ol><li>Set <var>needFd</var> to <emu-val>false</emu-val>.</li></ol></li></ol></li><li>If <var>needSd</var> is <emu-val>true</emu-val>, then<ol><li>If <var>hasSd</var> is <emu-val>true</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[MinimumSignificantDigits]]</var> to ?&nbsp;<emu-xref aoid="DefaultNumberOption" id="_ref_720"><a href="#sec-defaultnumberoption">DefaultNumberOption</a></emu-xref>(<var>mnsd</var>, 1, 21, 1).</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumSignificantDigits]]</var> to ?&nbsp;<emu-xref aoid="DefaultNumberOption" id="_ref_721"><a href="#sec-defaultnumberoption">DefaultNumberOption</a></emu-xref>(<var>mxsd</var>, <var>intlObj</var>.<var class="field">[[MinimumSignificantDigits]]</var>, 21, 21).</li></ol></li><li>Else,<ol><li>Set <var>intlObj</var>.<var class="field">[[MinimumSignificantDigits]]</var> to 1.</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumSignificantDigits]]</var> to 21.</li></ol></li></ol></li><li>If <var>needFd</var> is <emu-val>true</emu-val>, then<ol><li>If <var>hasFd</var> is <emu-val>true</emu-val>, then<ol><li>Set <var>mnfd</var> to ?&nbsp;<emu-xref aoid="DefaultNumberOption" id="_ref_722"><a href="#sec-defaultnumberoption">DefaultNumberOption</a></emu-xref>(<var>mnfd</var>, 0, 100, <emu-val>undefined</emu-val>).</li><li>Set <var>mxfd</var> to ?&nbsp;<emu-xref aoid="DefaultNumberOption" id="_ref_723"><a href="#sec-defaultnumberoption">DefaultNumberOption</a></emu-xref>(<var>mxfd</var>, 0, 100, <emu-val>undefined</emu-val>).</li><li>If <var>mnfd</var> is <emu-val>undefined</emu-val>, set <var>mnfd</var> to <emu-xref aoid="min"><a href="https://tc39.es/ecma262/#eqn-min">min</a></emu-xref>(<var>mnfdDefault</var>, <var>mxfd</var>).</li><li>Else if <var>mxfd</var> is <emu-val>undefined</emu-val>, set <var>mxfd</var> to <emu-xref aoid="max"><a href="https://tc39.es/ecma262/#eqn-max">max</a></emu-xref>(<var>mxfdDefault</var>, <var>mnfd</var>).</li><li>Else if <var>mnfd</var> is greater than <var>mxfd</var>, throw a <emu-val>RangeError</emu-val> exception.</li><li>Set <var>intlObj</var>.<var class="field">[[MinimumFractionDigits]]</var> to <var>mnfd</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumFractionDigits]]</var> to <var>mxfd</var>.</li></ol></li><li>Else,<ol><li>Set <var>intlObj</var>.<var class="field">[[MinimumFractionDigits]]</var> to <var>mnfdDefault</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumFractionDigits]]</var> to <var>mxfdDefault</var>.</li></ol></li></ol></li><li>If <var>needSd</var> is <emu-val>false</emu-val> and <var>needFd</var> is <emu-val>false</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[MinimumFractionDigits]]</var> to 0.</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumFractionDigits]]</var> to 0.</li><li>Set <var>intlObj</var>.<var class="field">[[MinimumSignificantDigits]]</var> to 1.</li><li>Set <var>intlObj</var>.<var class="field">[[MaximumSignificantDigits]]</var> to 2.</li><li>Set <var>intlObj</var>.<var class="field">[[RoundingType]]</var> to <emu-const>more-precision</emu-const>.</li><li>Set <var>intlObj</var>.<var class="field">[[ComputedRoundingPriority]]</var> to <emu-val>"morePrecision"</emu-val>.</li></ol></li><li>Else if <var>roundingPriority</var> is <emu-val>"morePrecision"</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[RoundingType]]</var> to <emu-const>more-precision</emu-const>.</li><li>Set <var>intlObj</var>.<var class="field">[[ComputedRoundingPriority]]</var> to <emu-val>"morePrecision"</emu-val>.</li></ol></li><li>Else if <var>roundingPriority</var> is <emu-val>"lessPrecision"</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[RoundingType]]</var> to <emu-const>less-precision</emu-const>.</li><li>Set <var>intlObj</var>.<var class="field">[[ComputedRoundingPriority]]</var> to <emu-val>"lessPrecision"</emu-val>.</li></ol></li><li>Else if <var>hasSd</var> is <emu-val>true</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[RoundingType]]</var> to <emu-const>significant-digits</emu-const>.</li><li>Set <var>intlObj</var>.<var class="field">[[ComputedRoundingPriority]]</var> to <emu-val>"auto"</emu-val>.</li></ol></li><li>Else,<ol><li>Set <var>intlObj</var>.<var class="field">[[RoundingType]]</var> to <emu-const>fraction-digits</emu-const>.</li><li>Set <var>intlObj</var>.<var class="field">[[ComputedRoundingPriority]]</var> to <emu-val>"auto"</emu-val>.</li></ol></li><li>If <var>roundingIncrement</var> is not 1, then<ol><li>If <var>intlObj</var>.<var class="field">[[RoundingType]]</var> is not <emu-const>fraction-digits</emu-const>, throw a <emu-val>TypeError</emu-val> exception.</li><li>If <var>intlObj</var>.<var class="field">[[MaximumFractionDigits]]</var> is not <var>intlObj</var>.<var class="field">[[MinimumFractionDigits]]</var>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Return <emu-const>unused</emu-const>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-setnumberformatunitoptions" type="abstract operation" aoid="SetNumberFormatUnitOptions">
       <h1><span class="secnum">15.1.3</span> SetNumberFormatUnitOptions ( <var>intlObj</var>, <var>options</var> )</h1>
       <p>The abstract operation SetNumberFormatUnitOptions takes arguments <var>intlObj</var> (an Intl.NumberFormat) and <var>options</var> (an Object) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> <emu-const>unused</emu-const> or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It resolves the user-specified options relating to units onto <var>intlObj</var>. It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>style</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_727"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"style"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"decimal"</emu-val>, <emu-val>"percent"</emu-val>, <emu-val>"currency"</emu-val>, <emu-val>"unit"</emu-val>&nbsp;», <emu-val>"decimal"</emu-val>).</li><li>Set <var>intlObj</var>.<var class="field">[[Style]]</var> to <var>style</var>.</li><li>Let <var>currency</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_728"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"currency"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-val>undefined</emu-val>).</li><li>If <var>currency</var> is <emu-val>undefined</emu-val>, then<ol><li>If <var>style</var> is <emu-val>"currency"</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li></ol></li><li>Else,<ol><li>If <emu-xref aoid="IsWellFormedCurrencyCode" id="_ref_729"><a href="#sec-iswellformedcurrencycode">IsWellFormedCurrencyCode</a></emu-xref>(<var>currency</var>) is <emu-val>false</emu-val>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Let <var>currencyDisplay</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_730"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"currencyDisplay"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"code"</emu-val>, <emu-val>"symbol"</emu-val>, <emu-val>"narrowSymbol"</emu-val>, <emu-val>"name"</emu-val>&nbsp;», <emu-val>"symbol"</emu-val>).</li><li>Let <var>currencySign</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_731"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"currencySign"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"standard"</emu-val>, <emu-val>"accounting"</emu-val>&nbsp;», <emu-val>"standard"</emu-val>).</li><li>Let <var>unit</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_732"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"unit"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-val>undefined</emu-val>).</li><li>If <var>unit</var> is <emu-val>undefined</emu-val>, then<ol><li>If <var>style</var> is <emu-val>"unit"</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li></ol></li><li>Else,<ol><li>If <emu-xref aoid="IsWellFormedUnitIdentifier" id="_ref_733"><a href="#sec-iswellformedunitidentifier">IsWellFormedUnitIdentifier</a></emu-xref>(<var>unit</var>) is <emu-val>false</emu-val>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Let <var>unitDisplay</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_734"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"unitDisplay"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"short"</emu-val>, <emu-val>"narrow"</emu-val>, <emu-val>"long"</emu-val>&nbsp;», <emu-val>"short"</emu-val>).</li><li>If <var>style</var> is <emu-val>"currency"</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[Currency]]</var> to the <emu-xref href="#sec-case-sensitivity-and-case-mapping" id="_ref_735"><a href="#sec-case-sensitivity-and-case-mapping">ASCII-uppercase</a></emu-xref> of <var>currency</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[CurrencyDisplay]]</var> to <var>currencyDisplay</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[CurrencySign]]</var> to <var>currencySign</var>.</li></ol></li><li>If <var>style</var> is <emu-val>"unit"</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[Unit]]</var> to <var>unit</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[UnitDisplay]]</var> to <var>unitDisplay</var>.</li></ol></li><li>Return <emu-const>unused</emu-const>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>style</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_724"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"style"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"decimal"</emu-val>, <emu-val>"percent"</emu-val>, <emu-val>"currency"</emu-val>, <emu-val>"unit"</emu-val>&nbsp;», <emu-val>"decimal"</emu-val>).</li><li>Set <var>intlObj</var>.<var class="field">[[Style]]</var> to <var>style</var>.</li><li>Let <var>currency</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_725"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"currency"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-val>undefined</emu-val>).</li><li>If <var>currency</var> is <emu-val>undefined</emu-val>, then<ol><li>If <var>style</var> is <emu-val>"currency"</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li></ol></li><li>Else,<ol><li>If <emu-xref aoid="IsWellFormedCurrencyCode" id="_ref_726"><a href="#sec-iswellformedcurrencycode">IsWellFormedCurrencyCode</a></emu-xref>(<var>currency</var>) is <emu-val>false</emu-val>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Let <var>currencyDisplay</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_727"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"currencyDisplay"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"code"</emu-val>, <emu-val>"symbol"</emu-val>, <emu-val>"narrowSymbol"</emu-val>, <emu-val>"name"</emu-val>&nbsp;», <emu-val>"symbol"</emu-val>).</li><li>Let <var>currencySign</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_728"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"currencySign"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"standard"</emu-val>, <emu-val>"accounting"</emu-val>&nbsp;», <emu-val>"standard"</emu-val>).</li><li>Let <var>unit</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_729"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"unit"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-val>undefined</emu-val>).</li><li>If <var>unit</var> is <emu-val>undefined</emu-val>, then<ol><li>If <var>style</var> is <emu-val>"unit"</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li></ol></li><li>Else,<ol><li>If <emu-xref aoid="IsWellFormedUnitIdentifier" id="_ref_730"><a href="#sec-iswellformedunitidentifier">IsWellFormedUnitIdentifier</a></emu-xref>(<var>unit</var>) is <emu-val>false</emu-val>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Let <var>unitDisplay</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_731"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"unitDisplay"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"short"</emu-val>, <emu-val>"narrow"</emu-val>, <emu-val>"long"</emu-val>&nbsp;», <emu-val>"short"</emu-val>).</li><li>If <var>style</var> is <emu-val>"currency"</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[Currency]]</var> to the <emu-xref href="#sec-case-sensitivity-and-case-mapping" id="_ref_732"><a href="#sec-case-sensitivity-and-case-mapping">ASCII-uppercase</a></emu-xref> of <var>currency</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[CurrencyDisplay]]</var> to <var>currencyDisplay</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[CurrencySign]]</var> to <var>currencySign</var>.</li></ol></li><li>If <var>style</var> is <emu-val>"unit"</emu-val>, then<ol><li>Set <var>intlObj</var>.<var class="field">[[Unit]]</var> to <var>unit</var>.</li><li>Set <var>intlObj</var>.<var class="field">[[UnitDisplay]]</var> to <var>unitDisplay</var>.</li></ol></li><li>Return <emu-const>unused</emu-const>.</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 
@@ -3421,7 +3427,7 @@ <h1><span class="secnum">15.2</span> Properties of the Intl.NumberFormat Constru
       <h1><span class="secnum">15.2.1</span> Intl.NumberFormat.prototype</h1>
 
       <p>
-        The value of <code>Intl.NumberFormat.prototype</code> is <emu-xref href="#sec-properties-of-intl-numberformat-prototype-object" id="_ref_736"><a href="#sec-properties-of-intl-numberformat-prototype-object">%Intl.NumberFormat.prototype%</a></emu-xref>.
+        The value of <code>Intl.NumberFormat.prototype</code> is <emu-xref href="#sec-properties-of-intl-numberformat-prototype-object" id="_ref_733"><a href="#sec-properties-of-intl-numberformat-prototype-object">%Intl.NumberFormat.prototype%</a></emu-xref>.
       </p>
       <p>
         This property has the attributes { <var class="field">[[Writable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Enumerable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Configurable]]</var>: <emu-val>false</emu-val> }.
@@ -3435,7 +3441,7 @@ <h1><span class="secnum">15.2.2</span> Intl.NumberFormat.supportedLocalesOf ( <v
         When the <code>supportedLocalesOf</code> method is called with arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>availableLocales</var> be <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_737"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>.</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_738"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FilterLocales" id="_ref_739"><a href="#sec-filterlocales">FilterLocales</a></emu-xref>(<var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>availableLocales</var> be <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_734"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>.</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_735"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FilterLocales" id="_ref_736"><a href="#sec-filterlocales">FilterLocales</a></emu-xref>(<var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-intl.numberformat-internal-slots">
@@ -3494,7 +3500,7 @@ <h1><span class="secnum">15.3</span> Properties of the Intl.NumberFormat Prototy
       <h1><span class="secnum">15.3.1</span> Intl.NumberFormat.prototype.constructor</h1>
 
       <p>
-        The initial value of <code>Intl.NumberFormat.prototype.constructor</code> is <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_740"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.
+        The initial value of <code>Intl.NumberFormat.prototype.constructor</code> is <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_737"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.
       </p>
     </emu-clause>
 
@@ -3516,7 +3522,7 @@ <h1><span class="secnum">15.3.3</span> get Intl.NumberFormat.prototype.format</h
         Intl.NumberFormat.prototype.format is an <emu-xref href="#sec-object-type"><a href="https://tc39.es/ecma262/#sec-object-type">accessor property</a></emu-xref> whose set accessor function is <emu-val>undefined</emu-val>. Its get accessor function performs the following steps:
       </p>
 
-      <emu-alg><ol><li>Let <var>nf</var> be the <emu-val>this</emu-val> value.</li><li>If the implementation supports the normative optional <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> mode of <emu-xref href="#legacy-constructor" id="_ref_118"><a href="#legacy-constructor">4.3 Note 1</a></emu-xref>, then<ol><li>Set <var>nf</var> to ?&nbsp;<emu-xref aoid="UnwrapNumberFormat" id="_ref_741"><a href="#sec-unwrapnumberformat">UnwrapNumberFormat</a></emu-xref>(<var>nf</var>).</li></ol></li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>nf</var>, <var class="field">[[InitializedNumberFormat]]</var>).</li><li>If <var>nf</var>.<var class="field">[[BoundFormat]]</var> is <emu-val>undefined</emu-val>, then<ol><li>Let <var>F</var> be a new built-in <emu-xref href="#function-object"><a href="https://tc39.es/ecma262/#function-object">function object</a></emu-xref> as defined in Number Format Functions (<emu-xref href="#sec-number-format-functions" id="_ref_119"><a href="#sec-number-format-functions">15.5.2</a></emu-xref>).</li><li>Set <var>F</var>.<var class="field">[[NumberFormat]]</var> to <var>nf</var>.</li><li>Set <var>nf</var>.<var class="field">[[BoundFormat]]</var> to <var>F</var>.</li></ol></li><li>Return <var>nf</var>.<var class="field">[[BoundFormat]]</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>nf</var> be the <emu-val>this</emu-val> value.</li><li>If the implementation supports the normative optional <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> mode of <emu-xref href="#legacy-constructor" id="_ref_118"><a href="#legacy-constructor">4.3 Note 1</a></emu-xref>, then<ol><li>Set <var>nf</var> to ?&nbsp;<emu-xref aoid="UnwrapNumberFormat" id="_ref_738"><a href="#sec-unwrapnumberformat">UnwrapNumberFormat</a></emu-xref>(<var>nf</var>).</li></ol></li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>nf</var>, <var class="field">[[InitializedNumberFormat]]</var>).</li><li>If <var>nf</var>.<var class="field">[[BoundFormat]]</var> is <emu-val>undefined</emu-val>, then<ol><li>Let <var>F</var> be a new built-in <emu-xref href="#function-object"><a href="https://tc39.es/ecma262/#function-object">function object</a></emu-xref> as defined in Number Format Functions (<emu-xref href="#sec-number-format-functions" id="_ref_119"><a href="#sec-number-format-functions">15.5.2</a></emu-xref>).</li><li>Set <var>F</var>.<var class="field">[[NumberFormat]]</var> to <var>nf</var>.</li><li>Set <var>nf</var>.<var class="field">[[BoundFormat]]</var> to <var>F</var>.</li></ol></li><li>Return <var>nf</var>.<var class="field">[[BoundFormat]]</var>.</li></ol></emu-alg>
 
       <emu-note><span class="note">Note</span><div class="note-contents">
         The returned function is bound to <var>nf</var> so that it can be passed directly to <code>Array.prototype.map</code> or other functions.
@@ -3531,7 +3537,7 @@ <h1><span class="secnum">15.3.4</span> Intl.NumberFormat.prototype.formatToParts
         When the <code>formatToParts</code> method is called with an optional argument <var>value</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>nf</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>nf</var>, <var class="field">[[InitializedNumberFormat]]</var>).</li><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_742"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>value</var>).</li><li>Return <emu-xref aoid="FormatNumericToParts" id="_ref_743"><a href="#sec-formatnumbertoparts">FormatNumericToParts</a></emu-xref>(<var>nf</var>, <var>x</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>nf</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>nf</var>, <var class="field">[[InitializedNumberFormat]]</var>).</li><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_739"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>value</var>).</li><li>Return <emu-xref aoid="FormatNumericToParts" id="_ref_740"><a href="#sec-formatnumbertoparts">FormatNumericToParts</a></emu-xref>(<var>nf</var>, <var>x</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-intl.numberformat.prototype.formatrange">
@@ -3541,7 +3547,7 @@ <h1><span class="secnum">15.3.5</span> Intl.NumberFormat.prototype.formatRange (
         When the <code>formatRange</code> method is called with arguments <var>start</var> and <var>end</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>nf</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>nf</var>, <var class="field">[[InitializedNumberFormat]]</var>).</li><li>If <var>start</var> is <emu-val>undefined</emu-val> or <var>end</var> is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_744"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>start</var>).</li><li>Let <var>y</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_745"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>end</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FormatNumericRange" id="_ref_746"><a href="#sec-formatnumericrange">FormatNumericRange</a></emu-xref>(<var>nf</var>, <var>x</var>, <var>y</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>nf</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>nf</var>, <var class="field">[[InitializedNumberFormat]]</var>).</li><li>If <var>start</var> is <emu-val>undefined</emu-val> or <var>end</var> is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_741"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>start</var>).</li><li>Let <var>y</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_742"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>end</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FormatNumericRange" id="_ref_743"><a href="#sec-formatnumericrange">FormatNumericRange</a></emu-xref>(<var>nf</var>, <var>x</var>, <var>y</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-intl.numberformat.prototype.formatrangetoparts">
@@ -3551,7 +3557,7 @@ <h1><span class="secnum">15.3.6</span> Intl.NumberFormat.prototype.formatRangeTo
         When the <code>formatRangeToParts</code> method is called with arguments <var>start</var> and <var>end</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>nf</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>nf</var>, <var class="field">[[InitializedNumberFormat]]</var>).</li><li>If <var>start</var> is <emu-val>undefined</emu-val> or <var>end</var> is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_747"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>start</var>).</li><li>Let <var>y</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_748"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>end</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FormatNumericRangeToParts" id="_ref_749"><a href="#sec-formatnumericrangetoparts">FormatNumericRangeToParts</a></emu-xref>(<var>nf</var>, <var>x</var>, <var>y</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>nf</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>nf</var>, <var class="field">[[InitializedNumberFormat]]</var>).</li><li>If <var>start</var> is <emu-val>undefined</emu-val> or <var>end</var> is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_744"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>start</var>).</li><li>Let <var>y</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_745"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>end</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FormatNumericRangeToParts" id="_ref_746"><a href="#sec-formatnumericrangetoparts">FormatNumericRangeToParts</a></emu-xref>(<var>nf</var>, <var>x</var>, <var>y</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-intl.numberformat.prototype.resolvedoptions">
@@ -3561,7 +3567,7 @@ <h1><span class="secnum">15.3.7</span> Intl.NumberFormat.prototype.resolvedOptio
         This function provides access to the locale and options computed during initialization of the object.
       </p>
 
-      <emu-alg><ol><li>Let <var>nf</var> be the <emu-val>this</emu-val> value.</li><li>If the implementation supports the normative optional <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> mode of <emu-xref href="#legacy-constructor" id="_ref_120"><a href="#legacy-constructor">4.3 Note 1</a></emu-xref>, then<ol><li>Set <var>nf</var> to ?&nbsp;<emu-xref aoid="UnwrapNumberFormat" id="_ref_750"><a href="#sec-unwrapnumberformat">UnwrapNumberFormat</a></emu-xref>(<var>nf</var>).</li></ol></li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>nf</var>, <var class="field">[[InitializedNumberFormat]]</var>).</li><li>Let <var>options</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-properties-of-the-object-prototype-object"><a href="https://tc39.es/ecma262/#sec-properties-of-the-object-prototype-object">%Object.prototype%</a></emu-xref>).</li><li>For each row of <emu-xref href="#table-numberformat-resolvedoptions-properties" id="_ref_121"><a href="#table-numberformat-resolvedoptions-properties">Table 21</a></emu-xref>, except the header row, in table order, do<ol><li>Let <var>p</var> be the Property value of the current row.</li><li>Let <var>v</var> be the value of <var>nf</var>'s internal slot whose name is the Internal Slot value of the current row.</li><li>If <var>v</var> is not <emu-val>undefined</emu-val>, then<ol><li>If there is a Conversion value in the current row, then<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The Conversion value of the current row is <emu-const>number</emu-const>.</li><li>Set <var>v</var> to <emu-xref aoid="𝔽"><a href="https://tc39.es/ecma262/#𝔽">𝔽</a></emu-xref>(<var>v</var>).</li></ol></li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>options</var>, <var>p</var>, <var>v</var>).</li></ol></li></ol></li><li>Return <var>options</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>nf</var> be the <emu-val>this</emu-val> value.</li><li>If the implementation supports the normative optional <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> mode of <emu-xref href="#legacy-constructor" id="_ref_120"><a href="#legacy-constructor">4.3 Note 1</a></emu-xref>, then<ol><li>Set <var>nf</var> to ?&nbsp;<emu-xref aoid="UnwrapNumberFormat" id="_ref_747"><a href="#sec-unwrapnumberformat">UnwrapNumberFormat</a></emu-xref>(<var>nf</var>).</li></ol></li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>nf</var>, <var class="field">[[InitializedNumberFormat]]</var>).</li><li>Let <var>options</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-properties-of-the-object-prototype-object"><a href="https://tc39.es/ecma262/#sec-properties-of-the-object-prototype-object">%Object.prototype%</a></emu-xref>).</li><li>For each row of <emu-xref href="#table-numberformat-resolvedoptions-properties" id="_ref_121"><a href="#table-numberformat-resolvedoptions-properties">Table 21</a></emu-xref>, except the header row, in table order, do<ol><li>Let <var>p</var> be the Property value of the current row.</li><li>Let <var>v</var> be the value of <var>nf</var>'s internal slot whose name is the Internal Slot value of the current row.</li><li>If <var>v</var> is not <emu-val>undefined</emu-val>, then<ol><li>If there is a Conversion value in the current row, then<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The Conversion value of the current row is <emu-const>number</emu-const>.</li><li>Set <var>v</var> to <emu-xref aoid="𝔽"><a href="https://tc39.es/ecma262/#𝔽">𝔽</a></emu-xref>(<var>v</var>).</li></ol></li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>options</var>, <var>p</var>, <var>v</var>).</li></ol></li></ol></li><li>Return <var>options</var>.</li></ol></emu-alg>
 
       <emu-table id="table-numberformat-resolvedoptions-properties"><figure><figcaption>Table 21: Resolved Options of NumberFormat Instances</figcaption>
         
@@ -3687,7 +3693,7 @@ <h1><span class="secnum">15.3.7</span> Intl.NumberFormat.prototype.resolvedOptio
     <h1><span class="secnum">15.4</span> Properties of Intl.NumberFormat Instances</h1>
 
     <p>
-      Intl.NumberFormat instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-properties-of-intl-numberformat-prototype-object" id="_ref_751"><a href="#sec-properties-of-intl-numberformat-prototype-object">%Intl.NumberFormat.prototype%</a></emu-xref>.
+      Intl.NumberFormat instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-properties-of-intl-numberformat-prototype-object" id="_ref_748"><a href="#sec-properties-of-intl-numberformat-prototype-object">%Intl.NumberFormat.prototype%</a></emu-xref>.
     </p>
 
     <p>
@@ -3699,14 +3705,14 @@ <h1><span class="secnum">15.4</span> Properties of Intl.NumberFormat Instances</
     </p>
 
     <ul>
-      <li><var class="field">[[Locale]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the <emu-xref href="#sec-language-tags" id="_ref_752"><a href="#sec-language-tags">language tag</a></emu-xref> of the locale whose localization is used for formatting.</li>
-      <li><var class="field">[[LocaleData]]</var> is a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> representing the data available to the implementation for formatting. It is the value of an entry in <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_753"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.<var class="field">[[LocaleData]]</var> associated with either the value of <var class="field">[[Locale]]</var> or a prefix thereof.</li>
+      <li><var class="field">[[Locale]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the <emu-xref href="#sec-language-tags" id="_ref_749"><a href="#sec-language-tags">language tag</a></emu-xref> of the locale whose localization is used for formatting.</li>
+      <li><var class="field">[[LocaleData]]</var> is a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> representing the data available to the implementation for formatting. It is the value of an entry in <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_750"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>.<var class="field">[[LocaleData]]</var> associated with either the value of <var class="field">[[Locale]]</var> or a prefix thereof.</li>
       <li><var class="field">[[NumberingSystem]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the "type" given in <a href="https://unicode.org/reports/tr35/#Key_And_Type_Definitions_" data-print-href="">Unicode Technical Standard #35 Part 1 Core, Section 3.6.1 Key and Type Definitions</a> for the numbering system used for formatting.</li>
       <li><var class="field">[[Style]]</var> is one of the String values <emu-val>"decimal"</emu-val>, <emu-val>"currency"</emu-val>, <emu-val>"percent"</emu-val>, or <emu-val>"unit"</emu-val>, identifying the type of quantity being measured.</li>
       <li><var class="field">[[Currency]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the currency code identifying the currency to be used if formatting with the <emu-val>"currency"</emu-val> unit type. It is only used when <var class="field">[[Style]]</var> has the value <emu-val>"currency"</emu-val>.</li>
       <li><var class="field">[[CurrencyDisplay]]</var> is one of the String values <emu-val>"code"</emu-val>, <emu-val>"symbol"</emu-val>, <emu-val>"narrowSymbol"</emu-val>, or <emu-val>"name"</emu-val>, specifying whether to display the currency as an ISO 4217 alphabetic currency code, a localized currency symbol, or a localized currency name if formatting with the <emu-val>"currency"</emu-val> style. It is only used when <var class="field">[[Style]]</var> has the value <emu-val>"currency"</emu-val>.</li>
       <li><var class="field">[[CurrencySign]]</var> is one of the String values <emu-val>"standard"</emu-val> or <emu-val>"accounting"</emu-val>, specifying whether to render negative numbers in accounting format, often signified by parenthesis. It is only used when <var class="field">[[Style]]</var> has the value <emu-val>"currency"</emu-val> and when <var class="field">[[SignDisplay]]</var> is not <emu-val>"never"</emu-val>.</li>
-      <li><var class="field">[[Unit]]</var> is a <emu-xref href="#sec-measurement-unit-identifiers" id="_ref_754"><a href="#sec-measurement-unit-identifiers">core unit identifier</a></emu-xref>. It is only used when <var class="field">[[Style]]</var> has the value <emu-val>"unit"</emu-val>.</li>
+      <li><var class="field">[[Unit]]</var> is a <emu-xref href="#sec-measurement-unit-identifiers" id="_ref_751"><a href="#sec-measurement-unit-identifiers">core unit identifier</a></emu-xref>. It is only used when <var class="field">[[Style]]</var> has the value <emu-val>"unit"</emu-val>.</li>
       <li><var class="field">[[UnitDisplay]]</var> is one of the String values <emu-val>"short"</emu-val>, <emu-val>"narrow"</emu-val>, or <emu-val>"long"</emu-val>, specifying whether to display the unit as a symbol, narrow symbol, or localized long name if formatting with the <emu-val>"unit"</emu-val> style. It is only used when <var class="field">[[Style]]</var> has the value <emu-val>"unit"</emu-val>.</li>
       <li><var class="field">[[MinimumIntegerDigits]]</var> is a non-negative <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> indicating the minimum <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> digits to be used. Numbers will be padded with leading zeroes if necessary.</li>
       <li><var class="field">[[MinimumFractionDigits]]</var> and <var class="field">[[MaximumFractionDigits]]</var> are non-negative <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integers</a></emu-xref> indicating the minimum and maximum fraction digits to be used. Numbers will be rounded or padded with trailing zeroes if necessary. These properties are only used when <var class="field">[[RoundingType]]</var> is <emu-const>fraction-digits</emu-const>, <emu-const>more-precision</emu-const>, or <emu-const>less-precision</emu-const>.</li>
@@ -3840,7 +3846,7 @@ <h1><span class="secnum">15.5</span> Abstract Operations for NumberFormat Object
     <emu-clause id="sec-currencydigits" type="abstract operation" aoid="CurrencyDigits">
       <h1><span class="secnum">15.5.1</span> CurrencyDigits ( <var>currency</var> )</h1>
       <p>The abstract operation CurrencyDigits takes argument <var>currency</var> (a String) and returns a non-negative <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>. It performs the following steps when called:</p>
-      <emu-alg><ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <emu-xref aoid="IsWellFormedCurrencyCode" id="_ref_755"><a href="#sec-iswellformedcurrencycode">IsWellFormedCurrencyCode</a></emu-xref>(<var>currency</var>) is <emu-val>true</emu-val>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>currency</var> is the <emu-xref href="#sec-case-sensitivity-and-case-mapping" id="_ref_756"><a href="#sec-case-sensitivity-and-case-mapping">ASCII-uppercase</a></emu-xref> of <var>currency</var>.</li><li>If the ISO 4217 currency and funds code list contains <var>currency</var> as an alphabetic code, return the minor unit value corresponding to the <var>currency</var> from the list; otherwise, return 2.</li></ol></emu-alg>
+      <emu-alg><ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <emu-xref aoid="IsWellFormedCurrencyCode" id="_ref_752"><a href="#sec-iswellformedcurrencycode">IsWellFormedCurrencyCode</a></emu-xref>(<var>currency</var>) is <emu-val>true</emu-val>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>currency</var> is the <emu-xref href="#sec-case-sensitivity-and-case-mapping" id="_ref_753"><a href="#sec-case-sensitivity-and-case-mapping">ASCII-uppercase</a></emu-xref> of <var>currency</var>.</li><li>If the ISO 4217 currency and funds code list contains <var>currency</var> as an alphabetic code, return the minor unit value corresponding to the <var>currency</var> from the list; otherwise, return 2.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-number-format-functions">
@@ -3849,7 +3855,7 @@ <h1><span class="secnum">15.5.2</span> Number Format Functions</h1>
       <p>A Number format function is an anonymous built-in function that has a <var class="field">[[NumberFormat]]</var> internal slot.</p>
       <p>When a Number format function <var>F</var> is called with optional argument <var>value</var>, the following steps are taken:</p>
 
-      <emu-alg><ol><li>Let <var>nf</var> be <var>F</var>.<var class="field">[[NumberFormat]]</var>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>nf</var> <emu-xref href="#sec-object-type"><a href="https://tc39.es/ecma262/#sec-object-type">is an Object</a></emu-xref> and <var>nf</var> has an <var class="field">[[InitializedNumberFormat]]</var> internal slot.</li><li>If <var>value</var> is not provided, let <var>value</var> be <emu-val>undefined</emu-val>.</li><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_757"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>value</var>).</li><li>Return <emu-xref aoid="FormatNumeric" id="_ref_758"><a href="#sec-formatnumber">FormatNumeric</a></emu-xref>(<var>nf</var>, <var>x</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>nf</var> be <var>F</var>.<var class="field">[[NumberFormat]]</var>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>nf</var> <emu-xref href="#sec-object-type"><a href="https://tc39.es/ecma262/#sec-object-type">is an Object</a></emu-xref> and <var>nf</var> has an <var class="field">[[InitializedNumberFormat]]</var> internal slot.</li><li>If <var>value</var> is not provided, let <var>value</var> be <emu-val>undefined</emu-val>.</li><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_754"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>value</var>).</li><li>Return <emu-xref aoid="FormatNumeric" id="_ref_755"><a href="#sec-formatnumber">FormatNumeric</a></emu-xref>(<var>nf</var>, <var>x</var>).</li></ol></emu-alg>
 
       <p>
         The <emu-val>"length"</emu-val> property of a Number format function is <emu-val>1</emu-val><sub>𝔽</sub>.
@@ -3858,24 +3864,24 @@ <h1><span class="secnum">15.5.2</span> Number Format Functions</h1>
 
     <emu-clause id="sec-formatnumberstring" type="abstract operation" aoid="FormatNumericToString">
       <h1><span class="secnum">15.5.3</span> FormatNumericToString ( <var>intlObject</var>, <var>x</var> )</h1>
-      <p>The abstract operation FormatNumericToString takes arguments <var>intlObject</var> (an Object) and <var>x</var> (a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref> or <emu-const>negative-zero</emu-const>) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> with fields <var class="field">[[RoundedNumber]]</var> (a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref> or <emu-const>negative-zero</emu-const>) and <var class="field">[[FormattedString]]</var> (a String). It rounds <var>x</var> to an <emu-xref href="#intl-mathematical-value" id="_ref_759"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref> according to the internal slots of <var>intlObject</var>. The <var class="field">[[RoundedNumber]]</var> field contains the rounded result value and the <var class="field">[[FormattedString]]</var> field contains a String value representation of that result formatted according to the internal slots of <var>intlObject</var>. It performs the following steps when called:</p>
-      <emu-alg><ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>intlObject</var> has <var class="field">[[RoundingMode]]</var>, <var class="field">[[RoundingType]]</var>, <var class="field">[[MinimumSignificantDigits]]</var>, <var class="field">[[MaximumSignificantDigits]]</var>, <var class="field">[[MinimumIntegerDigits]]</var>, <var class="field">[[MinimumFractionDigits]]</var>, <var class="field">[[MaximumFractionDigits]]</var>, <var class="field">[[RoundingIncrement]]</var>, and <var class="field">[[TrailingZeroDisplay]]</var> internal slots.</li><li>If <var>x</var> is <emu-const>negative-zero</emu-const>, then<ol><li>Let <var>sign</var> be <emu-const>negative</emu-const>.</li><li>Set <var>x</var> to 0.</li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>x</var> is a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>.</li><li>If <var>x</var> &lt; 0, let <var>sign</var> be <emu-const>negative</emu-const>; else let <var>sign</var> be <emu-const>positive</emu-const>.</li><li>If <var>sign</var> is <emu-const>negative</emu-const>, then<ol><li>Set <var>x</var> to -<var>x</var>.</li></ol></li></ol></li><li>Let <var>unsignedRoundingMode</var> be <emu-xref aoid="GetUnsignedRoundingMode" id="_ref_760"><a href="#sec-getunsignedroundingmode">GetUnsignedRoundingMode</a></emu-xref>(<var>intlObject</var>.<var class="field">[[RoundingMode]]</var>, <var>sign</var>).</li><li>If <var>intlObject</var>.<var class="field">[[RoundingType]]</var> is <emu-const>significant-digits</emu-const>, then<ol><li>Let <var>result</var> be <emu-xref aoid="ToRawPrecision" id="_ref_761"><a href="#sec-torawprecision">ToRawPrecision</a></emu-xref>(<var>x</var>, <var>intlObject</var>.<var class="field">[[MinimumSignificantDigits]]</var>, <var>intlObject</var>.<var class="field">[[MaximumSignificantDigits]]</var>, <var>unsignedRoundingMode</var>).</li></ol></li><li>Else if <var>intlObject</var>.<var class="field">[[RoundingType]]</var> is <emu-const>fraction-digits</emu-const>, then<ol><li>Let <var>result</var> be <emu-xref aoid="ToRawFixed" id="_ref_762"><a href="#sec-torawfixed">ToRawFixed</a></emu-xref>(<var>x</var>, <var>intlObject</var>.<var class="field">[[MinimumFractionDigits]]</var>, <var>intlObject</var>.<var class="field">[[MaximumFractionDigits]]</var>, <var>intlObject</var>.<var class="field">[[RoundingIncrement]]</var>, <var>unsignedRoundingMode</var>).</li></ol></li><li>Else,<ol><li>Let <var>sResult</var> be <emu-xref aoid="ToRawPrecision" id="_ref_763"><a href="#sec-torawprecision">ToRawPrecision</a></emu-xref>(<var>x</var>, <var>intlObject</var>.<var class="field">[[MinimumSignificantDigits]]</var>, <var>intlObject</var>.<var class="field">[[MaximumSignificantDigits]]</var>, <var>unsignedRoundingMode</var>).</li><li>Let <var>fResult</var> be <emu-xref aoid="ToRawFixed" id="_ref_764"><a href="#sec-torawfixed">ToRawFixed</a></emu-xref>(<var>x</var>, <var>intlObject</var>.<var class="field">[[MinimumFractionDigits]]</var>, <var>intlObject</var>.<var class="field">[[MaximumFractionDigits]]</var>, <var>intlObject</var>.<var class="field">[[RoundingIncrement]]</var>, <var>unsignedRoundingMode</var>).</li><li>If <var>intlObject</var>.<var class="field">[[RoundingType]]</var> is <emu-const>more-precision</emu-const>, then<ol><li>If <var>sResult</var>.<var class="field">[[RoundingMagnitude]]</var> ≤ <var>fResult</var>.<var class="field">[[RoundingMagnitude]]</var>, then<ol><li>Let <var>result</var> be <var>sResult</var>.</li></ol></li><li>Else,<ol><li>Let <var>result</var> be <var>fResult</var>.</li></ol></li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>intlObject</var>.<var class="field">[[RoundingType]]</var> is <emu-const>less-precision</emu-const>.</li><li>If <var>sResult</var>.<var class="field">[[RoundingMagnitude]]</var> ≤ <var>fResult</var>.<var class="field">[[RoundingMagnitude]]</var>, then<ol><li>Let <var>result</var> be <var>fResult</var>.</li></ol></li><li>Else,<ol><li>Let <var>result</var> be <var>sResult</var>.</li></ol></li></ol></li></ol></li><li>Set <var>x</var> to <var>result</var>.<var class="field">[[RoundedNumber]]</var>.</li><li>Let <var>string</var> be <var>result</var>.<var class="field">[[FormattedString]]</var>.</li><li>If <var>intlObject</var>.<var class="field">[[TrailingZeroDisplay]]</var> is <emu-val>"stripIfInteger"</emu-val> and <emu-eqn class="inline"><var>x</var> <emu-xref aoid="modulo"><a href="https://tc39.es/ecma262/#eqn-modulo">modulo</a></emu-xref> 1 = 0</emu-eqn>, then<ol><li>Let <var>i</var> be <emu-xref aoid="StringIndexOf"><a href="https://tc39.es/ecma262/#sec-stringindexof">StringIndexOf</a></emu-xref>(<var>string</var>, <emu-val>"."</emu-val>, 0).</li><li>If <var>i</var> is not <emu-const>not-found</emu-const>, set <var>string</var> to the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>string</var> from 0 to <var>i</var>.</li></ol></li><li>Let <var>int</var> be <var>result</var>.<var class="field">[[IntegerDigitsCount]]</var>.</li><li>Let <var>minInteger</var> be <var>intlObject</var>.<var class="field">[[MinimumIntegerDigits]]</var>.</li><li>If <var>int</var> &lt; <var>minInteger</var>, then<ol><li>Let <var>forwardZeros</var> be the String consisting of <var>minInteger</var> - <var>int</var> occurrences of the code unit 0x0030 (DIGIT ZERO).</li><li>Set <var>string</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>forwardZeros</var> and <var>string</var>.</li></ol></li><li>If <var>sign</var> is <emu-const>negative</emu-const>, then<ol><li>If <var>x</var> is 0, set <var>x</var> to <emu-const>negative-zero</emu-const>. Otherwise, set <var>x</var> to -<var>x</var>.</li></ol></li><li>Return the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[RoundedNumber]]</var>: <var>x</var>, <var class="field">[[FormattedString]]</var>: <var>string</var>&nbsp;}.</li></ol></emu-alg>
+      <p>The abstract operation FormatNumericToString takes arguments <var>intlObject</var> (an Object) and <var>x</var> (a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref> or <emu-const>negative-zero</emu-const>) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> with fields <var class="field">[[RoundedNumber]]</var> (a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref> or <emu-const>negative-zero</emu-const>) and <var class="field">[[FormattedString]]</var> (a String). It rounds <var>x</var> to an <emu-xref href="#intl-mathematical-value" id="_ref_756"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref> according to the internal slots of <var>intlObject</var>. The <var class="field">[[RoundedNumber]]</var> field contains the rounded result value and the <var class="field">[[FormattedString]]</var> field contains a String value representation of that result formatted according to the internal slots of <var>intlObject</var>. It performs the following steps when called:</p>
+      <emu-alg><ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>intlObject</var> has <var class="field">[[RoundingMode]]</var>, <var class="field">[[RoundingType]]</var>, <var class="field">[[MinimumSignificantDigits]]</var>, <var class="field">[[MaximumSignificantDigits]]</var>, <var class="field">[[MinimumIntegerDigits]]</var>, <var class="field">[[MinimumFractionDigits]]</var>, <var class="field">[[MaximumFractionDigits]]</var>, <var class="field">[[RoundingIncrement]]</var>, and <var class="field">[[TrailingZeroDisplay]]</var> internal slots.</li><li>If <var>x</var> is <emu-const>negative-zero</emu-const>, then<ol><li>Let <var>sign</var> be <emu-const>negative</emu-const>.</li><li>Set <var>x</var> to 0.</li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>x</var> is a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>.</li><li>If <var>x</var> &lt; 0, let <var>sign</var> be <emu-const>negative</emu-const>; else let <var>sign</var> be <emu-const>positive</emu-const>.</li><li>If <var>sign</var> is <emu-const>negative</emu-const>, then<ol><li>Set <var>x</var> to -<var>x</var>.</li></ol></li></ol></li><li>Let <var>unsignedRoundingMode</var> be <emu-xref aoid="GetUnsignedRoundingMode" id="_ref_757"><a href="#sec-getunsignedroundingmode">GetUnsignedRoundingMode</a></emu-xref>(<var>intlObject</var>.<var class="field">[[RoundingMode]]</var>, <var>sign</var>).</li><li>If <var>intlObject</var>.<var class="field">[[RoundingType]]</var> is <emu-const>significant-digits</emu-const>, then<ol><li>Let <var>result</var> be <emu-xref aoid="ToRawPrecision" id="_ref_758"><a href="#sec-torawprecision">ToRawPrecision</a></emu-xref>(<var>x</var>, <var>intlObject</var>.<var class="field">[[MinimumSignificantDigits]]</var>, <var>intlObject</var>.<var class="field">[[MaximumSignificantDigits]]</var>, <var>unsignedRoundingMode</var>).</li></ol></li><li>Else if <var>intlObject</var>.<var class="field">[[RoundingType]]</var> is <emu-const>fraction-digits</emu-const>, then<ol><li>Let <var>result</var> be <emu-xref aoid="ToRawFixed" id="_ref_759"><a href="#sec-torawfixed">ToRawFixed</a></emu-xref>(<var>x</var>, <var>intlObject</var>.<var class="field">[[MinimumFractionDigits]]</var>, <var>intlObject</var>.<var class="field">[[MaximumFractionDigits]]</var>, <var>intlObject</var>.<var class="field">[[RoundingIncrement]]</var>, <var>unsignedRoundingMode</var>).</li></ol></li><li>Else,<ol><li>Let <var>sResult</var> be <emu-xref aoid="ToRawPrecision" id="_ref_760"><a href="#sec-torawprecision">ToRawPrecision</a></emu-xref>(<var>x</var>, <var>intlObject</var>.<var class="field">[[MinimumSignificantDigits]]</var>, <var>intlObject</var>.<var class="field">[[MaximumSignificantDigits]]</var>, <var>unsignedRoundingMode</var>).</li><li>Let <var>fResult</var> be <emu-xref aoid="ToRawFixed" id="_ref_761"><a href="#sec-torawfixed">ToRawFixed</a></emu-xref>(<var>x</var>, <var>intlObject</var>.<var class="field">[[MinimumFractionDigits]]</var>, <var>intlObject</var>.<var class="field">[[MaximumFractionDigits]]</var>, <var>intlObject</var>.<var class="field">[[RoundingIncrement]]</var>, <var>unsignedRoundingMode</var>).</li><li>If <var>intlObject</var>.<var class="field">[[RoundingType]]</var> is <emu-const>more-precision</emu-const>, then<ol><li>If <var>sResult</var>.<var class="field">[[RoundingMagnitude]]</var> ≤ <var>fResult</var>.<var class="field">[[RoundingMagnitude]]</var>, then<ol><li>Let <var>result</var> be <var>sResult</var>.</li></ol></li><li>Else,<ol><li>Let <var>result</var> be <var>fResult</var>.</li></ol></li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>intlObject</var>.<var class="field">[[RoundingType]]</var> is <emu-const>less-precision</emu-const>.</li><li>If <var>sResult</var>.<var class="field">[[RoundingMagnitude]]</var> ≤ <var>fResult</var>.<var class="field">[[RoundingMagnitude]]</var>, then<ol><li>Let <var>result</var> be <var>fResult</var>.</li></ol></li><li>Else,<ol><li>Let <var>result</var> be <var>sResult</var>.</li></ol></li></ol></li></ol></li><li>Set <var>x</var> to <var>result</var>.<var class="field">[[RoundedNumber]]</var>.</li><li>Let <var>string</var> be <var>result</var>.<var class="field">[[FormattedString]]</var>.</li><li>If <var>intlObject</var>.<var class="field">[[TrailingZeroDisplay]]</var> is <emu-val>"stripIfInteger"</emu-val> and <emu-eqn class="inline"><var>x</var> <emu-xref aoid="modulo"><a href="https://tc39.es/ecma262/#eqn-modulo">modulo</a></emu-xref> 1 = 0</emu-eqn>, then<ol><li>Let <var>i</var> be <emu-xref aoid="StringIndexOf"><a href="https://tc39.es/ecma262/#sec-stringindexof">StringIndexOf</a></emu-xref>(<var>string</var>, <emu-val>"."</emu-val>, 0).</li><li>If <var>i</var> is not <emu-const>not-found</emu-const>, set <var>string</var> to the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>string</var> from 0 to <var>i</var>.</li></ol></li><li>Let <var>int</var> be <var>result</var>.<var class="field">[[IntegerDigitsCount]]</var>.</li><li>Let <var>minInteger</var> be <var>intlObject</var>.<var class="field">[[MinimumIntegerDigits]]</var>.</li><li>If <var>int</var> &lt; <var>minInteger</var>, then<ol><li>Let <var>forwardZeros</var> be the String consisting of <var>minInteger</var> - <var>int</var> occurrences of the code unit 0x0030 (DIGIT ZERO).</li><li>Set <var>string</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>forwardZeros</var> and <var>string</var>.</li></ol></li><li>If <var>sign</var> is <emu-const>negative</emu-const>, then<ol><li>If <var>x</var> is 0, set <var>x</var> to <emu-const>negative-zero</emu-const>. Otherwise, set <var>x</var> to -<var>x</var>.</li></ol></li><li>Return the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[RoundedNumber]]</var>: <var>x</var>, <var class="field">[[FormattedString]]</var>: <var>string</var>&nbsp;}.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-partitionnumberpattern" type="abstract operation" aoid="PartitionNumberPattern">
       <h1><span class="secnum">15.5.4</span> PartitionNumberPattern ( <var>numberFormat</var>, <var>x</var> )</h1>
-      <p>The abstract operation PartitionNumberPattern takes arguments <var>numberFormat</var> (an object initialized as a NumberFormat) and <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_765"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String) and <var class="field">[[Value]]</var> (a String). It creates the parts representing the <emu-xref href="#mathematical-value-of"><a href="https://tc39.es/ecma262/#mathematical-value-of">mathematical value of</a></emu-xref> <var>x</var> according to the effective locale and the formatting options of <var>numberFormat</var>. It performs the following steps when called:</p>
+      <p>The abstract operation PartitionNumberPattern takes arguments <var>numberFormat</var> (an object initialized as a NumberFormat) and <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_762"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String) and <var class="field">[[Value]]</var> (a String). It creates the parts representing the <emu-xref href="#mathematical-value-of"><a href="https://tc39.es/ecma262/#mathematical-value-of">mathematical value of</a></emu-xref> <var>x</var> according to the effective locale and the formatting options of <var>numberFormat</var>. It performs the following steps when called:</p>
 
-      <emu-alg><ol><li>Let <var>exponent</var> be 0.</li><li>If <var>x</var> is <emu-const>not-a-number</emu-const>, then<ol><li>Let <var>n</var> be an implementation- and locale-dependent (ILD) String value indicating the <emu-val>NaN</emu-val> value.</li></ol></li><li>Else if <var>x</var> is <emu-const>positive-infinity</emu-const>, then<ol><li>Let <var>n</var> be an ILD String value indicating positive infinity.</li></ol></li><li>Else if <var>x</var> is <emu-const>negative-infinity</emu-const>, then<ol><li>Let <var>n</var> be an ILD String value indicating negative infinity.</li></ol></li><li>Else,<ol><li>If <var>x</var> is not <emu-const>negative-zero</emu-const>, then<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>x</var> is a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>.</li><li>If <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"percent"</emu-val>, set <var>x</var> be 100 × <var>x</var>.</li><li>Set <var>exponent</var> to <emu-xref aoid="ComputeExponent" id="_ref_766"><a href="#sec-computeexponent">ComputeExponent</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Set <var>x</var> to <var>x</var> × 10<sup>-<var>exponent</var></sup>.</li></ol></li><li>Let <var>formatNumberResult</var> be <emu-xref aoid="FormatNumericToString" id="_ref_767"><a href="#sec-formatnumberstring">FormatNumericToString</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Let <var>n</var> be <var>formatNumberResult</var>.<var class="field">[[FormattedString]]</var>.</li><li>Set <var>x</var> to <var>formatNumberResult</var>.<var class="field">[[RoundedNumber]]</var>.</li></ol></li><li>Let <var>pattern</var> be <emu-xref aoid="GetNumberFormatPattern" id="_ref_768"><a href="#sec-getnumberformatpattern">GetNumberFormatPattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Let <var>result</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li><li>Let <var>patternParts</var> be <emu-xref aoid="PartitionPattern" id="_ref_769"><a href="#sec-partitionpattern">PartitionPattern</a></emu-xref>(<var>pattern</var>).</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>patternPart</var> of <var>patternParts</var>, do<ol><li>Let <var>p</var> be <var>patternPart</var>.<var class="field">[[Type]]</var>.</li><li>If <var>p</var> is <emu-val>"literal"</emu-val>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"literal"</emu-val>, <var class="field">[[Value]]</var>: <var>patternPart</var>.<var class="field">[[Value]]</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"number"</emu-val>, then<ol><li>Let <var>notationSubParts</var> be <emu-xref aoid="PartitionNotationSubPattern" id="_ref_770"><a href="#sec-partitionnotationsubpattern">PartitionNotationSubPattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>, <var>n</var>, <var>exponent</var>).</li><li>Set <var>result</var> to the <emu-xref href="#list-concatenation"><a href="https://tc39.es/ecma262/#list-concatenation">list-concatenation</a></emu-xref> of <var>result</var> and <var>notationSubParts</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"plusSign"</emu-val>, then<ol><li>Let <var>plusSignSymbol</var> be the ILND String representing the plus sign.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"plusSign"</emu-val>, <var class="field">[[Value]]</var>: <var>plusSignSymbol</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"minusSign"</emu-val>, then<ol><li>Let <var>minusSignSymbol</var> be the ILND String representing the minus sign.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"minusSign"</emu-val>, <var class="field">[[Value]]</var>: <var>minusSignSymbol</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"percentSign"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"percent"</emu-val>, then<ol><li>Let <var>percentSignSymbol</var> be the ILND String representing the percent sign.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"percentSign"</emu-val>, <var class="field">[[Value]]</var>: <var>percentSignSymbol</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"unitPrefix"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"unit"</emu-val>, then<ol><li>Let <var>unit</var> be <var>numberFormat</var>.<var class="field">[[Unit]]</var>.</li><li>Let <var>unitDisplay</var> be <var>numberFormat</var>.<var class="field">[[UnitDisplay]]</var>.</li><li>Let <var>mu</var> be an ILD String value representing <var>unit</var> before <var>x</var> in <var>unitDisplay</var> form, which may depend on <var>x</var> in languages having different plural forms.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"unit"</emu-val>, <var class="field">[[Value]]</var>: <var>mu</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"unitSuffix"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"unit"</emu-val>, then<ol><li>Let <var>unit</var> be <var>numberFormat</var>.<var class="field">[[Unit]]</var>.</li><li>Let <var>unitDisplay</var> be <var>numberFormat</var>.<var class="field">[[UnitDisplay]]</var>.</li><li>Let <var>mu</var> be an ILD String value representing <var>unit</var> after <var>x</var> in <var>unitDisplay</var> form, which may depend on <var>x</var> in languages having different plural forms.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"unit"</emu-val>, <var class="field">[[Value]]</var>: <var>mu</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"currencyCode"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"currency"</emu-val>, then<ol><li>Let <var>currency</var> be <var>numberFormat</var>.<var class="field">[[Currency]]</var>.</li><li>Let <var>cd</var> be <var>currency</var>.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"currency"</emu-val>, <var class="field">[[Value]]</var>: <var>cd</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"currencyPrefix"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"currency"</emu-val>, then<ol><li>Let <var>currency</var> be <var>numberFormat</var>.<var class="field">[[Currency]]</var>.</li><li>Let <var>currencyDisplay</var> be <var>numberFormat</var>.<var class="field">[[CurrencyDisplay]]</var>.</li><li>Let <var>cd</var> be an ILD String value representing <var>currency</var> before <var>x</var> in <var>currencyDisplay</var> form, which may depend on <var>x</var> in languages having different plural forms.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"currency"</emu-val>, <var class="field">[[Value]]</var>: <var>cd</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"currencySuffix"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"currency"</emu-val>, then<ol><li>Let <var>currency</var> be <var>numberFormat</var>.<var class="field">[[Currency]]</var>.</li><li>Let <var>currencyDisplay</var> be <var>numberFormat</var>.<var class="field">[[CurrencyDisplay]]</var>.</li><li>Let <var>cd</var> be an ILD String value representing <var>currency</var> after <var>x</var> in <var>currencyDisplay</var> form, which may depend on <var>x</var> in languages having different plural forms. If the implementation does not have such a representation of <var>currency</var>, use <var>currency</var> itself.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"currency"</emu-val>, <var class="field">[[Value]]</var>: <var>cd</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else,<ol><li>Let <var>unknown</var> be an ILND String based on <var>x</var> and <var>p</var>.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"unknown"</emu-val>, <var class="field">[[Value]]</var>: <var>unknown</var>&nbsp;} to <var>result</var>.</li></ol></li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>exponent</var> be 0.</li><li>If <var>x</var> is <emu-const>not-a-number</emu-const>, then<ol><li>Let <var>n</var> be an implementation- and locale-dependent (ILD) String value indicating the <emu-val>NaN</emu-val> value.</li></ol></li><li>Else if <var>x</var> is <emu-const>positive-infinity</emu-const>, then<ol><li>Let <var>n</var> be an ILD String value indicating positive infinity.</li></ol></li><li>Else if <var>x</var> is <emu-const>negative-infinity</emu-const>, then<ol><li>Let <var>n</var> be an ILD String value indicating negative infinity.</li></ol></li><li>Else,<ol><li>If <var>x</var> is not <emu-const>negative-zero</emu-const>, then<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>x</var> is a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>.</li><li>If <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"percent"</emu-val>, set <var>x</var> be 100 × <var>x</var>.</li><li>Set <var>exponent</var> to <emu-xref aoid="ComputeExponent" id="_ref_763"><a href="#sec-computeexponent">ComputeExponent</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Set <var>x</var> to <var>x</var> × 10<sup>-<var>exponent</var></sup>.</li></ol></li><li>Let <var>formatNumberResult</var> be <emu-xref aoid="FormatNumericToString" id="_ref_764"><a href="#sec-formatnumberstring">FormatNumericToString</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Let <var>n</var> be <var>formatNumberResult</var>.<var class="field">[[FormattedString]]</var>.</li><li>Set <var>x</var> to <var>formatNumberResult</var>.<var class="field">[[RoundedNumber]]</var>.</li></ol></li><li>Let <var>pattern</var> be <emu-xref aoid="GetNumberFormatPattern" id="_ref_765"><a href="#sec-getnumberformatpattern">GetNumberFormatPattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Let <var>result</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li><li>Let <var>patternParts</var> be <emu-xref aoid="PartitionPattern" id="_ref_766"><a href="#sec-partitionpattern">PartitionPattern</a></emu-xref>(<var>pattern</var>).</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>patternPart</var> of <var>patternParts</var>, do<ol><li>Let <var>p</var> be <var>patternPart</var>.<var class="field">[[Type]]</var>.</li><li>If <var>p</var> is <emu-val>"literal"</emu-val>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"literal"</emu-val>, <var class="field">[[Value]]</var>: <var>patternPart</var>.<var class="field">[[Value]]</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"number"</emu-val>, then<ol><li>Let <var>notationSubParts</var> be <emu-xref aoid="PartitionNotationSubPattern" id="_ref_767"><a href="#sec-partitionnotationsubpattern">PartitionNotationSubPattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>, <var>n</var>, <var>exponent</var>).</li><li>Set <var>result</var> to the <emu-xref href="#list-concatenation"><a href="https://tc39.es/ecma262/#list-concatenation">list-concatenation</a></emu-xref> of <var>result</var> and <var>notationSubParts</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"plusSign"</emu-val>, then<ol><li>Let <var>plusSignSymbol</var> be the ILND String representing the plus sign.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"plusSign"</emu-val>, <var class="field">[[Value]]</var>: <var>plusSignSymbol</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"minusSign"</emu-val>, then<ol><li>Let <var>minusSignSymbol</var> be the ILND String representing the minus sign.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"minusSign"</emu-val>, <var class="field">[[Value]]</var>: <var>minusSignSymbol</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"percentSign"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"percent"</emu-val>, then<ol><li>Let <var>percentSignSymbol</var> be the ILND String representing the percent sign.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"percentSign"</emu-val>, <var class="field">[[Value]]</var>: <var>percentSignSymbol</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"unitPrefix"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"unit"</emu-val>, then<ol><li>Let <var>unit</var> be <var>numberFormat</var>.<var class="field">[[Unit]]</var>.</li><li>Let <var>unitDisplay</var> be <var>numberFormat</var>.<var class="field">[[UnitDisplay]]</var>.</li><li>Let <var>mu</var> be an ILD String value representing <var>unit</var> before <var>x</var> in <var>unitDisplay</var> form, which may depend on <var>x</var> in languages having different plural forms.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"unit"</emu-val>, <var class="field">[[Value]]</var>: <var>mu</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"unitSuffix"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"unit"</emu-val>, then<ol><li>Let <var>unit</var> be <var>numberFormat</var>.<var class="field">[[Unit]]</var>.</li><li>Let <var>unitDisplay</var> be <var>numberFormat</var>.<var class="field">[[UnitDisplay]]</var>.</li><li>Let <var>mu</var> be an ILD String value representing <var>unit</var> after <var>x</var> in <var>unitDisplay</var> form, which may depend on <var>x</var> in languages having different plural forms.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"unit"</emu-val>, <var class="field">[[Value]]</var>: <var>mu</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"currencyCode"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"currency"</emu-val>, then<ol><li>Let <var>currency</var> be <var>numberFormat</var>.<var class="field">[[Currency]]</var>.</li><li>Let <var>cd</var> be <var>currency</var>.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"currency"</emu-val>, <var class="field">[[Value]]</var>: <var>cd</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"currencyPrefix"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"currency"</emu-val>, then<ol><li>Let <var>currency</var> be <var>numberFormat</var>.<var class="field">[[Currency]]</var>.</li><li>Let <var>currencyDisplay</var> be <var>numberFormat</var>.<var class="field">[[CurrencyDisplay]]</var>.</li><li>Let <var>cd</var> be an ILD String value representing <var>currency</var> before <var>x</var> in <var>currencyDisplay</var> form, which may depend on <var>x</var> in languages having different plural forms.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"currency"</emu-val>, <var class="field">[[Value]]</var>: <var>cd</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"currencySuffix"</emu-val> and <var>numberFormat</var>.<var class="field">[[Style]]</var> is <emu-val>"currency"</emu-val>, then<ol><li>Let <var>currency</var> be <var>numberFormat</var>.<var class="field">[[Currency]]</var>.</li><li>Let <var>currencyDisplay</var> be <var>numberFormat</var>.<var class="field">[[CurrencyDisplay]]</var>.</li><li>Let <var>cd</var> be an ILD String value representing <var>currency</var> after <var>x</var> in <var>currencyDisplay</var> form, which may depend on <var>x</var> in languages having different plural forms. If the implementation does not have such a representation of <var>currency</var>, use <var>currency</var> itself.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"currency"</emu-val>, <var class="field">[[Value]]</var>: <var>cd</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else,<ol><li>Let <var>unknown</var> be an ILND String based on <var>x</var> and <var>p</var>.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"unknown"</emu-val>, <var class="field">[[Value]]</var>: <var>unknown</var>&nbsp;} to <var>result</var>.</li></ol></li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-partitionnotationsubpattern" type="abstract operation" aoid="PartitionNotationSubPattern">
       <h1><span class="secnum">15.5.5</span> PartitionNotationSubPattern ( <var>numberFormat</var>, <var>x</var>, <var>n</var>, <var>exponent</var> )</h1>
-      <p>The abstract operation PartitionNotationSubPattern takes arguments <var>numberFormat</var> (an Intl.NumberFormat), <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_771"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>), <var>n</var> (a String), and <var>exponent</var> (an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String) and <var class="field">[[Value]]</var> (a String). 
-          <var>x</var> is an <emu-xref href="#intl-mathematical-value" id="_ref_772"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref> after rounding is applied and <var>n</var> is an intermediate formatted string.
+      <p>The abstract operation PartitionNotationSubPattern takes arguments <var>numberFormat</var> (an Intl.NumberFormat), <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_768"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>), <var>n</var> (a String), and <var>exponent</var> (an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String) and <var class="field">[[Value]]</var> (a String). 
+          <var>x</var> is an <emu-xref href="#intl-mathematical-value" id="_ref_769"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref> after rounding is applied and <var>n</var> is an intermediate formatted string.
           It creates the corresponding parts for the number and notation according to the effective locale and the formatting options of <var>numberFormat</var>.
          It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>result</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li><li>If <var>x</var> is <emu-const>not-a-number</emu-const>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"nan"</emu-val>, <var class="field">[[Value]]</var>: <var>n</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>x</var> is <emu-const>positive-infinity</emu-const> or <emu-const>negative-infinity</emu-const>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"infinity"</emu-val>, <var class="field">[[Value]]</var>: <var>n</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else,<ol><li>Let <var>notationSubPattern</var> be <emu-xref aoid="GetNotationSubPattern" id="_ref_773"><a href="#sec-getnotationsubpattern">GetNotationSubPattern</a></emu-xref>(<var>numberFormat</var>, <var>exponent</var>).</li><li>Let <var>patternParts</var> be <emu-xref aoid="PartitionPattern" id="_ref_774"><a href="#sec-partitionpattern">PartitionPattern</a></emu-xref>(<var>notationSubPattern</var>).</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>patternPart</var> of <var>patternParts</var>, do<ol><li>Let <var>p</var> be <var>patternPart</var>.<var class="field">[[Type]]</var>.</li><li>If <var>p</var> is <emu-val>"literal"</emu-val>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"literal"</emu-val>, <var class="field">[[Value]]</var>: <var>patternPart</var>.<var class="field">[[Value]]</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"number"</emu-val>, then<ol><li>If the <var>numberFormat</var>.<var class="field">[[NumberingSystem]]</var> matches one of the values in the Numbering System column of <emu-xref href="#table-numbering-system-digits" id="_ref_125"><a href="#table-numbering-system-digits">Table 23</a></emu-xref> below, then<ol><li>Let <var>digits</var> be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> whose elements are the code points specified in the Digits column of the matching row in <emu-xref href="#table-numbering-system-digits" id="_ref_126"><a href="#table-numbering-system-digits">Table 23</a></emu-xref>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The length of <var>digits</var> is 10.</li><li>Let <var>transliterated</var> be the empty String.</li><li>Let <var>len</var> be the length of <var>n</var>.</li><li>Let <var>position</var> be 0.</li><li>Repeat, while <var>position</var> &lt; <var>len</var>,<ol><li>Let <var>c</var> be the code unit at index <var>position</var> within <var>n</var>.</li><li>If 0x0030 ≤ <var>c</var> ≤ 0x0039, then<ol><li>NOTE: <var>c</var> is an ASCII digit.</li><li>Let <var>i</var> be <var>c</var> - 0x0030.</li><li>Set <var>c</var> to <emu-xref aoid="CodePointsToString"><a href="https://tc39.es/ecma262/#sec-codepointstostring">CodePointsToString</a></emu-xref>(« <var>digits</var>[<var>i</var>]&nbsp;»).</li></ol></li><li>Set <var>transliterated</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>transliterated</var> and <var>c</var>.</li><li>Set <var>position</var> to <var>position</var> + 1.</li></ol></li><li>Set <var>n</var> to <var>transliterated</var>.</li></ol></li><li>Else,<ol><li>Use an implementation dependent algorithm to map <var>n</var> to the appropriate representation of <var>n</var> in the given numbering system.</li></ol></li><li>Let <var>decimalSepIndex</var> be <emu-xref aoid="StringIndexOf"><a href="https://tc39.es/ecma262/#sec-stringindexof">StringIndexOf</a></emu-xref>(<var>n</var>, <emu-val>"."</emu-val>, 0).</li><li>If <var>decimalSepIndex</var> is not <emu-const>not-found</emu-const> and <var>decimalSepIndex</var> &gt; 0, then<ol><li>Let <var>integer</var> be the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>n</var> from 0 to <var>decimalSepIndex</var>.</li><li>Let <var>fraction</var> be the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>n</var> from <var>decimalSepIndex</var> + 1.</li></ol></li><li>Else,<ol><li>Let <var>integer</var> be <var>n</var>.</li><li>Let <var>fraction</var> be <emu-val>undefined</emu-val>.</li></ol></li><li>If the <var>numberFormat</var>.<var class="field">[[UseGrouping]]</var> is <emu-val>false</emu-val>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"integer"</emu-val>, <var class="field">[[Value]]</var>: <var>integer</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else,<ol><li>Let <var>groupSepSymbol</var> be the implementation-, locale-, and numbering system-dependent (ILND) String representing the grouping separator.</li><li>Let <var>groups</var> be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> whose elements are, in left to right order, the substrings defined by ILND set of locations within the <var>integer</var>, which may depend on the value of <var>numberFormat</var>.<var class="field">[[UseGrouping]]</var>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The number of elements in <var>groups</var> <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> is greater than 0.</li><li>Repeat, while <var>groups</var> <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> is not empty,<ol><li>Remove the first element from <var>groups</var> and let <var>integerGroup</var> be the value of that element.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"integer"</emu-val>, <var class="field">[[Value]]</var>: <var>integerGroup</var>&nbsp;} to <var>result</var>.</li><li>If <var>groups</var> <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> is not empty, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"group"</emu-val>, <var class="field">[[Value]]</var>: <var>groupSepSymbol</var>&nbsp;} to <var>result</var>.</li></ol></li></ol></li></ol></li><li>If <var>fraction</var> is not <emu-val>undefined</emu-val>, then<ol><li>Let <var>decimalSepSymbol</var> be the ILND String representing the decimal separator.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"decimal"</emu-val>, <var class="field">[[Value]]</var>: <var>decimalSepSymbol</var>&nbsp;} to <var>result</var>.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"fraction"</emu-val>, <var class="field">[[Value]]</var>: <var>fraction</var>&nbsp;} to <var>result</var>.</li></ol></li></ol></li><li>Else if <var>p</var> is <emu-val>"compactSymbol"</emu-val>, then<ol><li>Let <var>compactSymbol</var> be an ILD string representing <var>exponent</var> in short form, which may depend on <var>x</var> in languages having different plural forms. The implementation must be able to provide this string, or else the pattern would not have a <emu-val>"{compactSymbol}"</emu-val> placeholder.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"compact"</emu-val>, <var class="field">[[Value]]</var>: <var>compactSymbol</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"compactName"</emu-val>, then<ol><li>Let <var>compactName</var> be an ILD string representing <var>exponent</var> in long form, which may depend on <var>x</var> in languages having different plural forms. The implementation must be able to provide this string, or else the pattern would not have a <emu-val>"{compactName}"</emu-val> placeholder.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"compact"</emu-val>, <var class="field">[[Value]]</var>: <var>compactName</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"scientificSeparator"</emu-val>, then<ol><li>Let <var>scientificSeparator</var> be the ILND String representing the exponent separator.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"exponentSeparator"</emu-val>, <var class="field">[[Value]]</var>: <var>scientificSeparator</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"scientificExponent"</emu-val>, then<ol><li>If <var>exponent</var> &lt; 0, then<ol><li>Let <var>minusSignSymbol</var> be the ILND String representing the minus sign.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"exponentMinusSign"</emu-val>, <var class="field">[[Value]]</var>: <var>minusSignSymbol</var>&nbsp;} to <var>result</var>.</li><li>Let <var>exponent</var> be -<var>exponent</var>.</li></ol></li><li>Let <var>exponentResult</var> be <emu-xref aoid="ToRawFixed" id="_ref_775"><a href="#sec-torawfixed">ToRawFixed</a></emu-xref>(<var>exponent</var>, 0, 0, 1, <emu-val>undefined</emu-val>).</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"exponentInteger"</emu-val>, <var class="field">[[Value]]</var>: <var>exponentResult</var>.<var class="field">[[FormattedString]]</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else,<ol><li>Let <var>unknown</var> be an ILND String based on <var>x</var> and <var>p</var>.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"unknown"</emu-val>, <var class="field">[[Value]]</var>: <var>unknown</var>&nbsp;} to <var>result</var>.</li></ol></li></ol></li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>result</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li><li>If <var>x</var> is <emu-const>not-a-number</emu-const>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"nan"</emu-val>, <var class="field">[[Value]]</var>: <var>n</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>x</var> is <emu-const>positive-infinity</emu-const> or <emu-const>negative-infinity</emu-const>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"infinity"</emu-val>, <var class="field">[[Value]]</var>: <var>n</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else,<ol><li>Let <var>notationSubPattern</var> be <emu-xref aoid="GetNotationSubPattern" id="_ref_770"><a href="#sec-getnotationsubpattern">GetNotationSubPattern</a></emu-xref>(<var>numberFormat</var>, <var>exponent</var>).</li><li>Let <var>patternParts</var> be <emu-xref aoid="PartitionPattern" id="_ref_771"><a href="#sec-partitionpattern">PartitionPattern</a></emu-xref>(<var>notationSubPattern</var>).</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>patternPart</var> of <var>patternParts</var>, do<ol><li>Let <var>p</var> be <var>patternPart</var>.<var class="field">[[Type]]</var>.</li><li>If <var>p</var> is <emu-val>"literal"</emu-val>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"literal"</emu-val>, <var class="field">[[Value]]</var>: <var>patternPart</var>.<var class="field">[[Value]]</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"number"</emu-val>, then<ol><li>If the <var>numberFormat</var>.<var class="field">[[NumberingSystem]]</var> matches one of the values in the Numbering System column of <emu-xref href="#table-numbering-system-digits" id="_ref_125"><a href="#table-numbering-system-digits">Table 23</a></emu-xref> below, then<ol><li>Let <var>digits</var> be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> whose elements are the code points specified in the Digits column of the matching row in <emu-xref href="#table-numbering-system-digits" id="_ref_126"><a href="#table-numbering-system-digits">Table 23</a></emu-xref>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The length of <var>digits</var> is 10.</li><li>Let <var>transliterated</var> be the empty String.</li><li>Let <var>len</var> be the length of <var>n</var>.</li><li>Let <var>position</var> be 0.</li><li>Repeat, while <var>position</var> &lt; <var>len</var>,<ol><li>Let <var>c</var> be the code unit at index <var>position</var> within <var>n</var>.</li><li>If 0x0030 ≤ <var>c</var> ≤ 0x0039, then<ol><li>NOTE: <var>c</var> is an ASCII digit.</li><li>Let <var>i</var> be <var>c</var> - 0x0030.</li><li>Set <var>c</var> to <emu-xref aoid="CodePointsToString"><a href="https://tc39.es/ecma262/#sec-codepointstostring">CodePointsToString</a></emu-xref>(« <var>digits</var>[<var>i</var>]&nbsp;»).</li></ol></li><li>Set <var>transliterated</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>transliterated</var> and <var>c</var>.</li><li>Set <var>position</var> to <var>position</var> + 1.</li></ol></li><li>Set <var>n</var> to <var>transliterated</var>.</li></ol></li><li>Else,<ol><li>Use an implementation dependent algorithm to map <var>n</var> to the appropriate representation of <var>n</var> in the given numbering system.</li></ol></li><li>Let <var>decimalSepIndex</var> be <emu-xref aoid="StringIndexOf"><a href="https://tc39.es/ecma262/#sec-stringindexof">StringIndexOf</a></emu-xref>(<var>n</var>, <emu-val>"."</emu-val>, 0).</li><li>If <var>decimalSepIndex</var> is not <emu-const>not-found</emu-const> and <var>decimalSepIndex</var> &gt; 0, then<ol><li>Let <var>integer</var> be the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>n</var> from 0 to <var>decimalSepIndex</var>.</li><li>Let <var>fraction</var> be the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>n</var> from <var>decimalSepIndex</var> + 1.</li></ol></li><li>Else,<ol><li>Let <var>integer</var> be <var>n</var>.</li><li>Let <var>fraction</var> be <emu-val>undefined</emu-val>.</li></ol></li><li>If the <var>numberFormat</var>.<var class="field">[[UseGrouping]]</var> is <emu-val>false</emu-val>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"integer"</emu-val>, <var class="field">[[Value]]</var>: <var>integer</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else,<ol><li>Let <var>groupSepSymbol</var> be the implementation-, locale-, and numbering system-dependent (ILND) String representing the grouping separator.</li><li>Let <var>groups</var> be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> whose elements are, in left to right order, the substrings defined by ILND set of locations within the <var>integer</var>, which may depend on the value of <var>numberFormat</var>.<var class="field">[[UseGrouping]]</var>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: The number of elements in <var>groups</var> <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> is greater than 0.</li><li>Repeat, while <var>groups</var> <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> is not empty,<ol><li>Remove the first element from <var>groups</var> and let <var>integerGroup</var> be the value of that element.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"integer"</emu-val>, <var class="field">[[Value]]</var>: <var>integerGroup</var>&nbsp;} to <var>result</var>.</li><li>If <var>groups</var> <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> is not empty, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"group"</emu-val>, <var class="field">[[Value]]</var>: <var>groupSepSymbol</var>&nbsp;} to <var>result</var>.</li></ol></li></ol></li></ol></li><li>If <var>fraction</var> is not <emu-val>undefined</emu-val>, then<ol><li>Let <var>decimalSepSymbol</var> be the ILND String representing the decimal separator.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"decimal"</emu-val>, <var class="field">[[Value]]</var>: <var>decimalSepSymbol</var>&nbsp;} to <var>result</var>.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"fraction"</emu-val>, <var class="field">[[Value]]</var>: <var>fraction</var>&nbsp;} to <var>result</var>.</li></ol></li></ol></li><li>Else if <var>p</var> is <emu-val>"compactSymbol"</emu-val>, then<ol><li>Let <var>compactSymbol</var> be an ILD string representing <var>exponent</var> in short form, which may depend on <var>x</var> in languages having different plural forms. The implementation must be able to provide this string, or else the pattern would not have a <emu-val>"{compactSymbol}"</emu-val> placeholder.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"compact"</emu-val>, <var class="field">[[Value]]</var>: <var>compactSymbol</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"compactName"</emu-val>, then<ol><li>Let <var>compactName</var> be an ILD string representing <var>exponent</var> in long form, which may depend on <var>x</var> in languages having different plural forms. The implementation must be able to provide this string, or else the pattern would not have a <emu-val>"{compactName}"</emu-val> placeholder.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"compact"</emu-val>, <var class="field">[[Value]]</var>: <var>compactName</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"scientificSeparator"</emu-val>, then<ol><li>Let <var>scientificSeparator</var> be the ILND String representing the exponent separator.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"exponentSeparator"</emu-val>, <var class="field">[[Value]]</var>: <var>scientificSeparator</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else if <var>p</var> is <emu-val>"scientificExponent"</emu-val>, then<ol><li>If <var>exponent</var> &lt; 0, then<ol><li>Let <var>minusSignSymbol</var> be the ILND String representing the minus sign.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"exponentMinusSign"</emu-val>, <var class="field">[[Value]]</var>: <var>minusSignSymbol</var>&nbsp;} to <var>result</var>.</li><li>Let <var>exponent</var> be -<var>exponent</var>.</li></ol></li><li>Let <var>exponentResult</var> be <emu-xref aoid="ToRawFixed" id="_ref_772"><a href="#sec-torawfixed">ToRawFixed</a></emu-xref>(<var>exponent</var>, 0, 0, 1, <emu-val>undefined</emu-val>).</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"exponentInteger"</emu-val>, <var class="field">[[Value]]</var>: <var>exponentResult</var>.<var class="field">[[FormattedString]]</var>&nbsp;} to <var>result</var>.</li></ol></li><li>Else,<ol><li>Let <var>unknown</var> be an ILND String based on <var>x</var> and <var>p</var>.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"unknown"</emu-val>, <var class="field">[[Value]]</var>: <var>unknown</var>&nbsp;} to <var>result</var>.</li></ol></li></ol></li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
 
       <emu-table id="table-numbering-system-digits"><figure><figcaption>Table 23: Numbering systems with simple digit mappings</figcaption>
         
@@ -4176,14 +4182,14 @@ <h1><span class="secnum">15.5.5</span> PartitionNotationSubPattern ( <var>number
 
     <emu-clause id="sec-formatnumber" type="abstract operation" aoid="FormatNumeric">
       <h1><span class="secnum">15.5.6</span> FormatNumeric ( <var>numberFormat</var>, <var>x</var> )</h1>
-      <p>The abstract operation FormatNumeric takes arguments <var>numberFormat</var> (an Intl.NumberFormat) and <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_776"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns a String. It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>parts</var> be <emu-xref aoid="PartitionNumberPattern" id="_ref_777"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Let <var>result</var> be the empty String.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>part</var> of <var>parts</var>, do<ol><li>Set <var>result</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>result</var> and <var>part</var>.<var class="field">[[Value]]</var>.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
+      <p>The abstract operation FormatNumeric takes arguments <var>numberFormat</var> (an Intl.NumberFormat) and <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_773"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns a String. It performs the following steps when called:</p>
+      <emu-alg><ol><li>Let <var>parts</var> be <emu-xref aoid="PartitionNumberPattern" id="_ref_774"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Let <var>result</var> be the empty String.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>part</var> of <var>parts</var>, do<ol><li>Set <var>result</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>result</var> and <var>part</var>.<var class="field">[[Value]]</var>.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-formatnumbertoparts" type="abstract operation" aoid="FormatNumericToParts">
       <h1><span class="secnum">15.5.7</span> FormatNumericToParts ( <var>numberFormat</var>, <var>x</var> )</h1>
-      <p>The abstract operation FormatNumericToParts takes arguments <var>numberFormat</var> (an Intl.NumberFormat) and <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_778"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns an Array. It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>parts</var> be <emu-xref aoid="PartitionNumberPattern" id="_ref_779"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Let <var>result</var> be !&nbsp;<emu-xref aoid="ArrayCreate"><a href="https://tc39.es/ecma262/#sec-arraycreate">ArrayCreate</a></emu-xref>(0).</li><li>Let <var>n</var> be 0.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>part</var> of <var>parts</var>, do<ol><li>Let <var>O</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-properties-of-the-object-prototype-object"><a href="https://tc39.es/ecma262/#sec-properties-of-the-object-prototype-object">%Object.prototype%</a></emu-xref>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"type"</emu-val>, <var>part</var>.<var class="field">[[Type]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"value"</emu-val>, <var>part</var>.<var class="field">[[Value]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>result</var>, !&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<emu-xref aoid="𝔽"><a href="https://tc39.es/ecma262/#𝔽">𝔽</a></emu-xref>(<var>n</var>)), <var>O</var>).</li><li>Increment <var>n</var> by 1.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
+      <p>The abstract operation FormatNumericToParts takes arguments <var>numberFormat</var> (an Intl.NumberFormat) and <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_775"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns an Array. It performs the following steps when called:</p>
+      <emu-alg><ol><li>Let <var>parts</var> be <emu-xref aoid="PartitionNumberPattern" id="_ref_776"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Let <var>result</var> be !&nbsp;<emu-xref aoid="ArrayCreate"><a href="https://tc39.es/ecma262/#sec-arraycreate">ArrayCreate</a></emu-xref>(0).</li><li>Let <var>n</var> be 0.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>part</var> of <var>parts</var>, do<ol><li>Let <var>O</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-properties-of-the-object-prototype-object"><a href="https://tc39.es/ecma262/#sec-properties-of-the-object-prototype-object">%Object.prototype%</a></emu-xref>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"type"</emu-val>, <var>part</var>.<var class="field">[[Type]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"value"</emu-val>, <var>part</var>.<var class="field">[[Value]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>result</var>, !&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<emu-xref aoid="𝔽"><a href="https://tc39.es/ecma262/#𝔽">𝔽</a></emu-xref>(<var>n</var>)), <var>O</var>).</li><li>Increment <var>n</var> by 1.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-torawprecision" type="abstract operation" aoid="ToRawPrecision">
@@ -4195,7 +4201,7 @@ <h1><span class="secnum">15.5.8</span> ToRawPrecision ( <var>x</var>, <var>minPr
           <emu-eqn id="eqn-ToRawPrecisionFn" aoid="ToRawPrecisionFn"><div>            ToRawPrecisionFn(<var>n</var>, <var>e</var>, <var>p</var>) = <var>n</var> × 10<sup><var>e</var>–<var>p</var>+1</sup></div><div>            where 10<sup><var>p</var>–1</sup> ≤ <var>n</var> &lt; 10<sup><var>p</var></sup></div></emu-eqn>
         
       <p>It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>p</var> be <var>maxPrecision</var>.</li><li>If <var>x</var> = 0, then<ol><li>Let <var>m</var> be the String consisting of <var>p</var> occurrences of the code unit 0x0030 (DIGIT ZERO).</li><li>Let <var>e</var> be 0.</li><li>Let <var>xFinal</var> be 0.</li></ol></li><li>Else,<ol><li declared="n1,e1,r1">Let <var>n1</var> and <var>e1</var> each be an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> and <var>r1</var> a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>, with <emu-eqn class="inline"><var>r1</var> = <emu-xref aoid="ToRawPrecisionFn" id="_ref_780"><a href="#eqn-ToRawPrecisionFn">ToRawPrecisionFn</a></emu-xref>(<var>n1</var>, <var>e1</var>, <var>p</var>)</emu-eqn>, such that <emu-eqn class="inline"><var>r1</var> ≤ <var>x</var></emu-eqn> and <var>r1</var> is maximized.</li><li declared="n2,e2,r2">Let <var>n2</var> and <var>e2</var> each be an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> and <var>r2</var> a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>, with <emu-eqn class="inline"><var>r2</var> = <emu-xref aoid="ToRawPrecisionFn" id="_ref_781"><a href="#eqn-ToRawPrecisionFn">ToRawPrecisionFn</a></emu-xref>(<var>n2</var>, <var>e2</var>, <var>p</var>)</emu-eqn>, such that <emu-eqn class="inline"><var>r2</var> ≥ <var>x</var></emu-eqn> and <var>r2</var> is minimized.</li><li>Let <var>r</var> be <emu-xref aoid="ApplyUnsignedRoundingMode" id="_ref_782"><a href="#sec-applyunsignedroundingmode">ApplyUnsignedRoundingMode</a></emu-xref>(<var>x</var>, <var>r1</var>, <var>r2</var>, <var>unsignedRoundingMode</var>).</li><li>If <var>r</var> is <var>r1</var>, then<ol><li>Let <var>n</var> be <var>n1</var>.</li><li>Let <var>e</var> be <var>e1</var>.</li><li>Let <var>xFinal</var> be <var>r1</var>.</li></ol></li><li>Else,<ol><li>Let <var>n</var> be <var>n2</var>.</li><li>Let <var>e</var> be <var>e2</var>.</li><li>Let <var>xFinal</var> be <var>r2</var>.</li></ol></li><li>Let <var>m</var> be the String consisting of the digits of the decimal representation of <var>n</var> (in order, with no leading zeroes).</li></ol></li><li>If <var>e</var> ≥ (<var>p</var> - 1), then<ol><li>Set <var>m</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>m</var> and <var>e</var> - <var>p</var> + 1 occurrences of the code unit 0x0030 (DIGIT ZERO).</li><li>Let <var>int</var> be <var>e</var> + 1.</li></ol></li><li>Else if <var>e</var> ≥ 0, then<ol><li>Set <var>m</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of the first <var>e</var> + 1 code units of <var>m</var>, the code unit 0x002E (FULL STOP), and the remaining <var>p</var> - (<var>e</var> + 1) code units of <var>m</var>.</li><li>Let <var>int</var> be <var>e</var> + 1.</li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>e</var> &lt; 0.</li><li>Set <var>m</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <emu-val>"0."</emu-val>, -(<var>e</var> + 1) occurrences of the code unit 0x0030 (DIGIT ZERO), and <var>m</var>.</li><li>Let <var>int</var> be 1.</li></ol></li><li>If <var>m</var> contains the code unit 0x002E (FULL STOP) and <var>maxPrecision</var> &gt; <var>minPrecision</var>, then<ol><li>Let <var>cut</var> be <var>maxPrecision</var> - <var>minPrecision</var>.</li><li>Repeat, while <var>cut</var> &gt; 0 and the last code unit of <var>m</var> is 0x0030 (DIGIT ZERO),<ol><li>Remove the last code unit from <var>m</var>.</li><li>Set <var>cut</var> to <var>cut</var> - 1.</li></ol></li><li>If the last code unit of <var>m</var> is 0x002E (FULL STOP), then<ol><li>Remove the last code unit from <var>m</var>.</li></ol></li></ol></li><li>Return the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[FormattedString]]</var>: <var>m</var>, <var class="field">[[RoundedNumber]]</var>: <var>xFinal</var>, <var class="field">[[IntegerDigitsCount]]</var>: <var>int</var>, <var class="field">[[RoundingMagnitude]]</var>: <var>e</var>–<var>p</var>+1&nbsp;}.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>p</var> be <var>maxPrecision</var>.</li><li>If <var>x</var> = 0, then<ol><li>Let <var>m</var> be the String consisting of <var>p</var> occurrences of the code unit 0x0030 (DIGIT ZERO).</li><li>Let <var>e</var> be 0.</li><li>Let <var>xFinal</var> be 0.</li></ol></li><li>Else,<ol><li declared="n1,e1,r1">Let <var>n1</var> and <var>e1</var> each be an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> and <var>r1</var> a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>, with <emu-eqn class="inline"><var>r1</var> = <emu-xref aoid="ToRawPrecisionFn" id="_ref_777"><a href="#eqn-ToRawPrecisionFn">ToRawPrecisionFn</a></emu-xref>(<var>n1</var>, <var>e1</var>, <var>p</var>)</emu-eqn>, such that <emu-eqn class="inline"><var>r1</var> ≤ <var>x</var></emu-eqn> and <var>r1</var> is maximized.</li><li declared="n2,e2,r2">Let <var>n2</var> and <var>e2</var> each be an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> and <var>r2</var> a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>, with <emu-eqn class="inline"><var>r2</var> = <emu-xref aoid="ToRawPrecisionFn" id="_ref_778"><a href="#eqn-ToRawPrecisionFn">ToRawPrecisionFn</a></emu-xref>(<var>n2</var>, <var>e2</var>, <var>p</var>)</emu-eqn>, such that <emu-eqn class="inline"><var>r2</var> ≥ <var>x</var></emu-eqn> and <var>r2</var> is minimized.</li><li>Let <var>r</var> be <emu-xref aoid="ApplyUnsignedRoundingMode" id="_ref_779"><a href="#sec-applyunsignedroundingmode">ApplyUnsignedRoundingMode</a></emu-xref>(<var>x</var>, <var>r1</var>, <var>r2</var>, <var>unsignedRoundingMode</var>).</li><li>If <var>r</var> is <var>r1</var>, then<ol><li>Let <var>n</var> be <var>n1</var>.</li><li>Let <var>e</var> be <var>e1</var>.</li><li>Let <var>xFinal</var> be <var>r1</var>.</li></ol></li><li>Else,<ol><li>Let <var>n</var> be <var>n2</var>.</li><li>Let <var>e</var> be <var>e2</var>.</li><li>Let <var>xFinal</var> be <var>r2</var>.</li></ol></li><li>Let <var>m</var> be the String consisting of the digits of the decimal representation of <var>n</var> (in order, with no leading zeroes).</li></ol></li><li>If <var>e</var> ≥ (<var>p</var> - 1), then<ol><li>Set <var>m</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>m</var> and <var>e</var> - <var>p</var> + 1 occurrences of the code unit 0x0030 (DIGIT ZERO).</li><li>Let <var>int</var> be <var>e</var> + 1.</li></ol></li><li>Else if <var>e</var> ≥ 0, then<ol><li>Set <var>m</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of the first <var>e</var> + 1 code units of <var>m</var>, the code unit 0x002E (FULL STOP), and the remaining <var>p</var> - (<var>e</var> + 1) code units of <var>m</var>.</li><li>Let <var>int</var> be <var>e</var> + 1.</li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>e</var> &lt; 0.</li><li>Set <var>m</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <emu-val>"0."</emu-val>, -(<var>e</var> + 1) occurrences of the code unit 0x0030 (DIGIT ZERO), and <var>m</var>.</li><li>Let <var>int</var> be 1.</li></ol></li><li>If <var>m</var> contains the code unit 0x002E (FULL STOP) and <var>maxPrecision</var> &gt; <var>minPrecision</var>, then<ol><li>Let <var>cut</var> be <var>maxPrecision</var> - <var>minPrecision</var>.</li><li>Repeat, while <var>cut</var> &gt; 0 and the last code unit of <var>m</var> is 0x0030 (DIGIT ZERO),<ol><li>Remove the last code unit from <var>m</var>.</li><li>Set <var>cut</var> to <var>cut</var> - 1.</li></ol></li><li>If the last code unit of <var>m</var> is 0x002E (FULL STOP), then<ol><li>Remove the last code unit from <var>m</var>.</li></ol></li></ol></li><li>Return the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[FormattedString]]</var>: <var>m</var>, <var class="field">[[RoundedNumber]]</var>: <var>xFinal</var>, <var class="field">[[IntegerDigitsCount]]</var>: <var>int</var>, <var class="field">[[RoundingMagnitude]]</var>: <var>e</var>–<var>p</var>+1&nbsp;}.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-torawfixed" type="abstract operation" aoid="ToRawFixed">
@@ -4207,23 +4213,23 @@ <h1><span class="secnum">15.5.9</span> ToRawFixed ( <var>x</var>, <var>minFracti
           <emu-eqn id="eqn-ToRawFixedFn" aoid="ToRawFixedFn"><div>            ToRawFixedFn(<var>n</var>, <var>f</var>) = <var>n</var> × 10<sup>–<var>f</var></sup></div></emu-eqn>
         
       <p>It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>f</var> be <var>maxFraction</var>.</li><li declared="n1,r1">Let <var>n1</var> be an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> and <var>r1</var> a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>, with <emu-eqn class="inline"><var>r1</var> = <emu-xref aoid="ToRawFixedFn" id="_ref_783"><a href="#eqn-ToRawFixedFn">ToRawFixedFn</a></emu-xref>(<var>n1</var>, <var>f</var>)</emu-eqn>, such that <emu-eqn class="inline"><var>n1</var> <emu-xref aoid="modulo"><a href="https://tc39.es/ecma262/#eqn-modulo">modulo</a></emu-xref> <var>roundingIncrement</var> = 0</emu-eqn>, <emu-eqn class="inline"><var>r1</var> ≤ <var>x</var></emu-eqn>, and <var>r1</var> is maximized.</li><li declared="n2,r2">Let <var>n2</var> be an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> and <var>r2</var> a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>, with <emu-eqn class="inline"><var>r2</var> = <emu-xref aoid="ToRawFixedFn" id="_ref_784"><a href="#eqn-ToRawFixedFn">ToRawFixedFn</a></emu-xref>(<var>n2</var>, <var>f</var>)</emu-eqn>, such that <emu-eqn class="inline"><var>n2</var> <emu-xref aoid="modulo"><a href="https://tc39.es/ecma262/#eqn-modulo">modulo</a></emu-xref> <var>roundingIncrement</var> = 0</emu-eqn>, <emu-eqn class="inline"><var>r2</var> ≥ <var>x</var></emu-eqn>, and <var>r2</var> is minimized.</li><li>Let <var>r</var> be <emu-xref aoid="ApplyUnsignedRoundingMode" id="_ref_785"><a href="#sec-applyunsignedroundingmode">ApplyUnsignedRoundingMode</a></emu-xref>(<var>x</var>, <var>r1</var>, <var>r2</var>, <var>unsignedRoundingMode</var>).</li><li>If <var>r</var> is <var>r1</var>, then<ol><li>Let <var>n</var> be <var>n1</var>.</li><li>Let <var>xFinal</var> be <var>r1</var>.</li></ol></li><li>Else,<ol><li>Let <var>n</var> be <var>n2</var>.</li><li>Let <var>xFinal</var> be <var>r2</var>.</li></ol></li><li>If <var>n</var> = 0, let <var>m</var> be <emu-val>"0"</emu-val>. Otherwise, let <var>m</var> be the String consisting of the digits of the decimal representation of <var>n</var> (in order, with no leading zeroes).</li><li>If <var>f</var> ≠ 0, then<ol><li>Let <var>k</var> be the length of <var>m</var>.</li><li>If <var>k</var> ≤ <var>f</var>, then<ol><li>Let <var>z</var> be the String value consisting of <var>f</var> + 1 - <var>k</var> occurrences of the code unit 0x0030 (DIGIT ZERO).</li><li>Set <var>m</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>z</var> and <var>m</var>.</li><li>Set <var>k</var> to <var>f</var> + 1.</li></ol></li><li>Let <var>a</var> be the first <var>k</var> - <var>f</var> code units of <var>m</var>, and let <var>b</var> be the remaining <var>f</var> code units of <var>m</var>.</li><li>Set <var>m</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>a</var>, <emu-val>"."</emu-val>, and <var>b</var>.</li><li>Let <var>int</var> be the length of <var>a</var>.</li></ol></li><li>Else,<ol><li>Let <var>int</var> be the length of <var>m</var>.</li></ol></li><li>Let <var>cut</var> be <var>maxFraction</var> - <var>minFraction</var>.</li><li>Repeat, while <var>cut</var> &gt; 0 and the last code unit of <var>m</var> is 0x0030 (DIGIT ZERO),<ol><li>Remove the last code unit from <var>m</var>.</li><li>Set <var>cut</var> to <var>cut</var> - 1.</li></ol></li><li>If the last code unit of <var>m</var> is 0x002E (FULL STOP), then<ol><li>Remove the last code unit from <var>m</var>.</li></ol></li><li>Return the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[FormattedString]]</var>: <var>m</var>, <var class="field">[[RoundedNumber]]</var>: <var>xFinal</var>, <var class="field">[[IntegerDigitsCount]]</var>: <var>int</var>, <var class="field">[[RoundingMagnitude]]</var>: –<var>f</var>&nbsp;}.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>f</var> be <var>maxFraction</var>.</li><li declared="n1,r1">Let <var>n1</var> be an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> and <var>r1</var> a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>, with <emu-eqn class="inline"><var>r1</var> = <emu-xref aoid="ToRawFixedFn" id="_ref_780"><a href="#eqn-ToRawFixedFn">ToRawFixedFn</a></emu-xref>(<var>n1</var>, <var>f</var>)</emu-eqn>, such that <emu-eqn class="inline"><var>n1</var> <emu-xref aoid="modulo"><a href="https://tc39.es/ecma262/#eqn-modulo">modulo</a></emu-xref> <var>roundingIncrement</var> = 0</emu-eqn>, <emu-eqn class="inline"><var>r1</var> ≤ <var>x</var></emu-eqn>, and <var>r1</var> is maximized.</li><li declared="n2,r2">Let <var>n2</var> be an <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> and <var>r2</var> a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>, with <emu-eqn class="inline"><var>r2</var> = <emu-xref aoid="ToRawFixedFn" id="_ref_781"><a href="#eqn-ToRawFixedFn">ToRawFixedFn</a></emu-xref>(<var>n2</var>, <var>f</var>)</emu-eqn>, such that <emu-eqn class="inline"><var>n2</var> <emu-xref aoid="modulo"><a href="https://tc39.es/ecma262/#eqn-modulo">modulo</a></emu-xref> <var>roundingIncrement</var> = 0</emu-eqn>, <emu-eqn class="inline"><var>r2</var> ≥ <var>x</var></emu-eqn>, and <var>r2</var> is minimized.</li><li>Let <var>r</var> be <emu-xref aoid="ApplyUnsignedRoundingMode" id="_ref_782"><a href="#sec-applyunsignedroundingmode">ApplyUnsignedRoundingMode</a></emu-xref>(<var>x</var>, <var>r1</var>, <var>r2</var>, <var>unsignedRoundingMode</var>).</li><li>If <var>r</var> is <var>r1</var>, then<ol><li>Let <var>n</var> be <var>n1</var>.</li><li>Let <var>xFinal</var> be <var>r1</var>.</li></ol></li><li>Else,<ol><li>Let <var>n</var> be <var>n2</var>.</li><li>Let <var>xFinal</var> be <var>r2</var>.</li></ol></li><li>If <var>n</var> = 0, let <var>m</var> be <emu-val>"0"</emu-val>. Otherwise, let <var>m</var> be the String consisting of the digits of the decimal representation of <var>n</var> (in order, with no leading zeroes).</li><li>If <var>f</var> ≠ 0, then<ol><li>Let <var>k</var> be the length of <var>m</var>.</li><li>If <var>k</var> ≤ <var>f</var>, then<ol><li>Let <var>z</var> be the String value consisting of <var>f</var> + 1 - <var>k</var> occurrences of the code unit 0x0030 (DIGIT ZERO).</li><li>Set <var>m</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>z</var> and <var>m</var>.</li><li>Set <var>k</var> to <var>f</var> + 1.</li></ol></li><li>Let <var>a</var> be the first <var>k</var> - <var>f</var> code units of <var>m</var>, and let <var>b</var> be the remaining <var>f</var> code units of <var>m</var>.</li><li>Set <var>m</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>a</var>, <emu-val>"."</emu-val>, and <var>b</var>.</li><li>Let <var>int</var> be the length of <var>a</var>.</li></ol></li><li>Else,<ol><li>Let <var>int</var> be the length of <var>m</var>.</li></ol></li><li>Let <var>cut</var> be <var>maxFraction</var> - <var>minFraction</var>.</li><li>Repeat, while <var>cut</var> &gt; 0 and the last code unit of <var>m</var> is 0x0030 (DIGIT ZERO),<ol><li>Remove the last code unit from <var>m</var>.</li><li>Set <var>cut</var> to <var>cut</var> - 1.</li></ol></li><li>If the last code unit of <var>m</var> is 0x002E (FULL STOP), then<ol><li>Remove the last code unit from <var>m</var>.</li></ol></li><li>Return the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[FormattedString]]</var>: <var>m</var>, <var class="field">[[RoundedNumber]]</var>: <var>xFinal</var>, <var class="field">[[IntegerDigitsCount]]</var>: <var>int</var>, <var class="field">[[RoundingMagnitude]]</var>: –<var>f</var>&nbsp;}.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-normative-optional>
     <emu-clause id="sec-unwrapnumberformat" type="abstract operation" aoid="UnwrapNumberFormat">
       <h1><span class="secnum">15.5.10</span> UnwrapNumberFormat ( <var>nf</var> )</h1>
       <p>The abstract operation UnwrapNumberFormat takes argument <var>nf</var> (an <emu-xref href="#sec-ecmascript-language-types"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types">ECMAScript language value</a></emu-xref>) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> an <emu-xref href="#sec-ecmascript-language-types"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types">ECMAScript language value</a></emu-xref> or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. 
-          It returns the NumberFormat instance of its input object, which is either the value itself or a value associated with it by <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_786"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref> according to the normative optional <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> mode of <emu-xref href="#legacy-constructor" id="_ref_129"><a href="#legacy-constructor">4.3 Note 1</a></emu-xref>.
+          It returns the NumberFormat instance of its input object, which is either the value itself or a value associated with it by <emu-xref href="#sec-intl-numberformat-constructor" id="_ref_783"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref> according to the normative optional <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> mode of <emu-xref href="#legacy-constructor" id="_ref_129"><a href="#legacy-constructor">4.3 Note 1</a></emu-xref>.
          It performs the following steps when called:</p>
-      <emu-alg><ol><li>If <var>nf</var> <emu-xref href="#sec-object-type"><a href="https://tc39.es/ecma262/#sec-object-type">is not an Object</a></emu-xref>, throw a <emu-val>TypeError</emu-val> exception.</li><li>If <var>nf</var> does not have an <var class="field">[[InitializedNumberFormat]]</var> internal slot and ?&nbsp;<emu-xref aoid="OrdinaryHasInstance"><a href="https://tc39.es/ecma262/#sec-ordinaryhasinstance">OrdinaryHasInstance</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_787"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>, <var>nf</var>) is <emu-val>true</emu-val>, then<ol><li>Return ?&nbsp;<emu-xref aoid="Get"><a href="https://tc39.es/ecma262/#sec-get-o-p">Get</a></emu-xref>(<var>nf</var>, <emu-xref href="#intl-object" id="_ref_788"><a href="#intl-object">%Intl%</a></emu-xref>.<var class="field">[[FallbackSymbol]]</var>).</li></ol></li><li>Return <var>nf</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>If <var>nf</var> <emu-xref href="#sec-object-type"><a href="https://tc39.es/ecma262/#sec-object-type">is not an Object</a></emu-xref>, throw a <emu-val>TypeError</emu-val> exception.</li><li>If <var>nf</var> does not have an <var class="field">[[InitializedNumberFormat]]</var> internal slot and ?&nbsp;<emu-xref aoid="OrdinaryHasInstance"><a href="https://tc39.es/ecma262/#sec-ordinaryhasinstance">OrdinaryHasInstance</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_784"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>, <var>nf</var>) is <emu-val>true</emu-val>, then<ol><li>Return ?&nbsp;<emu-xref aoid="Get"><a href="https://tc39.es/ecma262/#sec-get-o-p">Get</a></emu-xref>(<var>nf</var>, <emu-xref href="#intl-object" id="_ref_785"><a href="#intl-object">%Intl%</a></emu-xref>.<var class="field">[[FallbackSymbol]]</var>).</li></ol></li><li>Return <var>nf</var>.</li></ol></emu-alg>
     </emu-clause>
     </emu-normative-optional>
 
     <emu-clause id="sec-getnumberformatpattern" type="abstract operation" aoid="GetNumberFormatPattern">
       <h1><span class="secnum">15.5.11</span> GetNumberFormatPattern ( <var>numberFormat</var>, <var>x</var> )</h1>
-      <p>The abstract operation GetNumberFormatPattern takes arguments <var>numberFormat</var> (an Intl.NumberFormat) and <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_789"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns a String. 
-          It considers the resolved unit-related options in the number format object along with the final scaled and rounded number being formatted (an <emu-xref href="#intl-mathematical-value" id="_ref_790"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns a pattern, a String value as described in <emu-xref href="#sec-intl.numberformat-internal-slots" id="_ref_130"><a href="#sec-intl.numberformat-internal-slots">15.2.3</a></emu-xref>.
+      <p>The abstract operation GetNumberFormatPattern takes arguments <var>numberFormat</var> (an Intl.NumberFormat) and <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_786"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns a String. 
+          It considers the resolved unit-related options in the number format object along with the final scaled and rounded number being formatted (an <emu-xref href="#intl-mathematical-value" id="_ref_787"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns a pattern, a String value as described in <emu-xref href="#sec-intl.numberformat-internal-slots" id="_ref_130"><a href="#sec-intl.numberformat-internal-slots">15.2.3</a></emu-xref>.
          It performs the following steps when called:</p>
       <emu-alg><ol><li>Let <var>resolvedLocaleData</var> be <var>numberFormat</var>.<var class="field">[[LocaleData]]</var>.</li><li>Let <var>patterns</var> be <var>resolvedLocaleData</var>.<var class="field">[[patterns]]</var>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>patterns</var> is a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> (see <emu-xref href="#sec-intl.numberformat-internal-slots" id="_ref_131"><a href="#sec-intl.numberformat-internal-slots">15.2.3</a></emu-xref>).</li><li>Let <var>style</var> be <var>numberFormat</var>.<var class="field">[[Style]]</var>.</li><li>If <var>style</var> is <emu-val>"percent"</emu-val>, then<ol><li>Set <var>patterns</var> to <var>patterns</var>.<var class="field">[[percent]]</var>.</li></ol></li><li>Else if <var>style</var> is <emu-val>"unit"</emu-val>, then<ol><li>Let <var>unit</var> be <var>numberFormat</var>.<var class="field">[[Unit]]</var>.</li><li>Let <var>unitDisplay</var> be <var>numberFormat</var>.<var class="field">[[UnitDisplay]]</var>.</li><li>Set <var>patterns</var> to <var>patterns</var>.<var class="field">[[unit]]</var>.</li><li>If <var>patterns</var> doesn't have a field [[&lt;<var>unit</var>&gt;]], then<ol><li>Set <var>unit</var> to <emu-val>"fallback"</emu-val>.</li></ol></li><li>Set <var>patterns</var> to <var>patterns</var>.[[&lt;<var>unit</var>&gt;]].</li><li>Set <var>patterns</var> to <var>patterns</var>.[[&lt;<var>unitDisplay</var>&gt;]].</li></ol></li><li>Else if <var>style</var> is <emu-val>"currency"</emu-val>, then<ol><li>Let <var>currency</var> be <var>numberFormat</var>.<var class="field">[[Currency]]</var>.</li><li>Let <var>currencyDisplay</var> be <var>numberFormat</var>.<var class="field">[[CurrencyDisplay]]</var>.</li><li>Let <var>currencySign</var> be <var>numberFormat</var>.<var class="field">[[CurrencySign]]</var>.</li><li>Set <var>patterns</var> to <var>patterns</var>.<var class="field">[[currency]]</var>.</li><li>If <var>patterns</var> doesn't have a field [[&lt;<var>currency</var>&gt;]], then<ol><li>Set <var>currency</var> to <emu-val>"fallback"</emu-val>.</li></ol></li><li>Set <var>patterns</var> to <var>patterns</var>.[[&lt;<var>currency</var>&gt;]].</li><li>Set <var>patterns</var> to <var>patterns</var>.[[&lt;<var>currencyDisplay</var>&gt;]].</li><li>Set <var>patterns</var> to <var>patterns</var>.[[&lt;<var>currencySign</var>&gt;]].</li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>style</var> is <emu-val>"decimal"</emu-val>.</li><li>Set <var>patterns</var> to <var>patterns</var>.<var class="field">[[decimal]]</var>.</li></ol></li><li>If <var>x</var> is <emu-const>negative-infinity</emu-const>, then<ol><li>Let <var>category</var> be <emu-const>negative-non-zero</emu-const>.</li></ol></li><li>Else if <var>x</var> is <emu-const>negative-zero</emu-const>, then<ol><li>Let <var>category</var> be <emu-const>negative-zero</emu-const>.</li></ol></li><li>Else if <var>x</var> is <emu-const>not-a-number</emu-const>, then<ol><li>Let <var>category</var> be <emu-const>positive-zero</emu-const>.</li></ol></li><li>Else if <var>x</var> is <emu-const>positive-infinity</emu-const>, then<ol><li>Let <var>category</var> be <emu-const>positive-non-zero</emu-const>.</li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>x</var> is a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>.</li><li>If <var>x</var> &lt; 0, then<ol><li>Let <var>category</var> be <emu-const>negative-non-zero</emu-const>.</li></ol></li><li>Else if <var>x</var> &gt; 0, then<ol><li>Let <var>category</var> be <emu-const>positive-non-zero</emu-const>.</li></ol></li><li>Else,<ol><li>Let <var>category</var> be <emu-const>positive-zero</emu-const>.</li></ol></li></ol></li><li>Let <var>signDisplay</var> be <var>numberFormat</var>.<var class="field">[[SignDisplay]]</var>.</li><li>If <var>signDisplay</var> is <emu-val>"never"</emu-val>, then<ol><li>Let <var>pattern</var> be <var>patterns</var>.<var class="field">[[zeroPattern]]</var>.</li></ol></li><li>Else if <var>signDisplay</var> is <emu-val>"auto"</emu-val>, then<ol><li>If <var>category</var> is <emu-const>positive-non-zero</emu-const> or <emu-const>positive-zero</emu-const>, then<ol><li>Let <var>pattern</var> be <var>patterns</var>.<var class="field">[[zeroPattern]]</var>.</li></ol></li><li>Else,<ol><li>Let <var>pattern</var> be <var>patterns</var>.<var class="field">[[negativePattern]]</var>.</li></ol></li></ol></li><li>Else if <var>signDisplay</var> is <emu-val>"always"</emu-val>, then<ol><li>If <var>category</var> is <emu-const>positive-non-zero</emu-const> or <emu-const>positive-zero</emu-const>, then<ol><li>Let <var>pattern</var> be <var>patterns</var>.<var class="field">[[positivePattern]]</var>.</li></ol></li><li>Else,<ol><li>Let <var>pattern</var> be <var>patterns</var>.<var class="field">[[negativePattern]]</var>.</li></ol></li></ol></li><li>Else if <var>signDisplay</var> is <emu-val>"exceptZero"</emu-val>, then<ol><li>If <var>category</var> is <emu-const>positive-zero</emu-const> or <emu-const>negative-zero</emu-const>, then<ol><li>Let <var>pattern</var> be <var>patterns</var>.<var class="field">[[zeroPattern]]</var>.</li></ol></li><li>Else if <var>category</var> is <emu-const>positive-non-zero</emu-const>, then<ol><li>Let <var>pattern</var> be <var>patterns</var>.<var class="field">[[positivePattern]]</var>.</li></ol></li><li>Else,<ol><li>Let <var>pattern</var> be <var>patterns</var>.<var class="field">[[negativePattern]]</var>.</li></ol></li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>signDisplay</var> is <emu-val>"negative"</emu-val>.</li><li>If <var>category</var> is <emu-const>negative-non-zero</emu-const>, then<ol><li>Let <var>pattern</var> be <var>patterns</var>.<var class="field">[[negativePattern]]</var>.</li></ol></li><li>Else,<ol><li>Let <var>pattern</var> be <var>patterns</var>.<var class="field">[[zeroPattern]]</var>.</li></ol></li></ol></li><li>Return <var>pattern</var>.</li></ol></emu-alg>
     </emu-clause>
@@ -4242,7 +4248,7 @@ <h1><span class="secnum">15.5.13</span> ComputeExponent ( <var>numberFormat</var
           It computes an exponent (power of ten) by which to scale <var>x</var> according to the number formatting settings.
           It handles cases such as 999 rounding up to 1000, requiring a different exponent.
          It performs the following steps when called:</p>
-      <emu-alg><ol><li>If <var>x</var> = 0, then<ol><li>Return 0.</li></ol></li><li>If <var>x</var> &lt; 0, then<ol><li>Let <var>x</var> = -<var>x</var>.</li></ol></li><li>Let <var>magnitude</var> be the base 10 logarithm of <var>x</var> rounded down to the nearest <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>.</li><li>Let <var>exponent</var> be <emu-xref aoid="ComputeExponentForMagnitude" id="_ref_791"><a href="#sec-computeexponentformagnitude">ComputeExponentForMagnitude</a></emu-xref>(<var>numberFormat</var>, <var>magnitude</var>).</li><li>Let <var>x</var> be <var>x</var> × 10<sup>-<var>exponent</var></sup>.</li><li>Let <var>formatNumberResult</var> be <emu-xref aoid="FormatNumericToString" id="_ref_792"><a href="#sec-formatnumberstring">FormatNumericToString</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>If <var>formatNumberResult</var>.<var class="field">[[RoundedNumber]]</var> = 0, then<ol><li>Return <var>exponent</var>.</li></ol></li><li>Let <var>newMagnitude</var> be the base 10 logarithm of <var>formatNumberResult</var>.<var class="field">[[RoundedNumber]]</var> rounded down to the nearest <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>.</li><li>If <var>newMagnitude</var> is <var>magnitude</var> - <var>exponent</var>, then<ol><li>Return <var>exponent</var>.</li></ol></li><li>Return <emu-xref aoid="ComputeExponentForMagnitude" id="_ref_793"><a href="#sec-computeexponentformagnitude">ComputeExponentForMagnitude</a></emu-xref>(<var>numberFormat</var>, <var>magnitude</var> + 1).</li></ol></emu-alg>
+      <emu-alg><ol><li>If <var>x</var> = 0, then<ol><li>Return 0.</li></ol></li><li>If <var>x</var> &lt; 0, then<ol><li>Let <var>x</var> = -<var>x</var>.</li></ol></li><li>Let <var>magnitude</var> be the base 10 logarithm of <var>x</var> rounded down to the nearest <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>.</li><li>Let <var>exponent</var> be <emu-xref aoid="ComputeExponentForMagnitude" id="_ref_788"><a href="#sec-computeexponentformagnitude">ComputeExponentForMagnitude</a></emu-xref>(<var>numberFormat</var>, <var>magnitude</var>).</li><li>Let <var>x</var> be <var>x</var> × 10<sup>-<var>exponent</var></sup>.</li><li>Let <var>formatNumberResult</var> be <emu-xref aoid="FormatNumericToString" id="_ref_789"><a href="#sec-formatnumberstring">FormatNumericToString</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>If <var>formatNumberResult</var>.<var class="field">[[RoundedNumber]]</var> = 0, then<ol><li>Return <var>exponent</var>.</li></ol></li><li>Let <var>newMagnitude</var> be the base 10 logarithm of <var>formatNumberResult</var>.<var class="field">[[RoundedNumber]]</var> rounded down to the nearest <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>.</li><li>If <var>newMagnitude</var> is <var>magnitude</var> - <var>exponent</var>, then<ol><li>Return <var>exponent</var>.</li></ol></li><li>Return <emu-xref aoid="ComputeExponentForMagnitude" id="_ref_790"><a href="#sec-computeexponentformagnitude">ComputeExponentForMagnitude</a></emu-xref>(<var>numberFormat</var>, <var>magnitude</var> + 1).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-computeexponentformagnitude" type="abstract operation" aoid="ComputeExponentForMagnitude">
@@ -4273,7 +4279,7 @@ <h1><span class="secnum">15.5.15</span> Runtime Semantics: StringIntlMV</h1>
     </emu-rhs>
 </emu-production>
 </emu-grammar>
-      <emu-alg><ol><li>Return <emu-xref aoid="StringIntlMV" id="_ref_794"><a href="#sec-runtime-semantics-stringintlmv">StringIntlMV</a></emu-xref> of <emu-nt><a href="https://tc39.es/ecma262/#prod-StrNumericLiteral">StrNumericLiteral</a></emu-nt>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Return <emu-xref aoid="StringIntlMV" id="_ref_791"><a href="#sec-runtime-semantics-stringintlmv">StringIntlMV</a></emu-xref> of <emu-nt><a href="https://tc39.es/ecma262/#prod-StrNumericLiteral">StrNumericLiteral</a></emu-nt>.</li></ol></emu-alg>
       <emu-grammar><emu-production name="StrNumericLiteral" type="regexp" collapsed="">
     <emu-nt><a href="https://tc39.es/ecma262/#prod-StrNumericLiteral">StrNumericLiteral</a></emu-nt> <emu-geq>:::</emu-geq> <emu-rhs a="6ge3c7dq"><emu-nt><a href="https://tc39.es/ecma262/#prod-NonDecimalIntegerLiteral">NonDecimalIntegerLiteral</a></emu-nt></emu-rhs>
 </emu-production>
@@ -4286,7 +4292,7 @@ <h1><span class="secnum">15.5.15</span> Runtime Semantics: StringIntlMV</h1>
     </emu-rhs>
 </emu-production>
 </emu-grammar>
-      <emu-alg><ol><li>Let <var>a</var> be <emu-xref aoid="StringIntlMV" id="_ref_795"><a href="#sec-runtime-semantics-stringintlmv">StringIntlMV</a></emu-xref> of <emu-nt><a href="https://tc39.es/ecma262/#prod-StrUnsignedDecimalLiteral">StrUnsignedDecimalLiteral</a></emu-nt>.</li><li>If <var>a</var> is 0, return <emu-const>negative-zero</emu-const>.</li><li>If <var>a</var> is <emu-const>positive-infinity</emu-const>, return <emu-const>negative-infinity</emu-const>.</li><li>Return -<var>a</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>a</var> be <emu-xref aoid="StringIntlMV" id="_ref_792"><a href="#sec-runtime-semantics-stringintlmv">StringIntlMV</a></emu-xref> of <emu-nt><a href="https://tc39.es/ecma262/#prod-StrUnsignedDecimalLiteral">StrUnsignedDecimalLiteral</a></emu-nt>.</li><li>If <var>a</var> is 0, return <emu-const>negative-zero</emu-const>.</li><li>If <var>a</var> is <emu-const>positive-infinity</emu-const>, return <emu-const>negative-infinity</emu-const>.</li><li>Return -<var>a</var>.</li></ol></emu-alg>
       <emu-grammar><emu-production name="StrUnsignedDecimalLiteral" type="regexp" collapsed="">
     <emu-nt><a href="https://tc39.es/ecma262/#prod-StrUnsignedDecimalLiteral">StrUnsignedDecimalLiteral</a></emu-nt> <emu-geq>:::</emu-geq> <emu-rhs a="sv6n-gkb"><emu-t>Infinity</emu-t></emu-rhs>
 </emu-production>
@@ -4323,11 +4329,11 @@ <h1><span class="secnum">15.5.15</span> Runtime Semantics: StringIntlMV</h1>
 
     <emu-clause id="sec-tointlmathematicalvalue" type="abstract operation" aoid="ToIntlMathematicalValue">
       <h1><span class="secnum">15.5.16</span> ToIntlMathematicalValue ( <var>value</var> )</h1>
-      <p>The abstract operation ToIntlMathematicalValue takes argument <var>value</var> (an <emu-xref href="#sec-ecmascript-language-types"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types">ECMAScript language value</a></emu-xref>) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> an <emu-xref href="#intl-mathematical-value" id="_ref_796"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref> or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. 
+      <p>The abstract operation ToIntlMathematicalValue takes argument <var>value</var> (an <emu-xref href="#sec-ecmascript-language-types"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types">ECMAScript language value</a></emu-xref>) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> an <emu-xref href="#intl-mathematical-value" id="_ref_793"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref> or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. 
           It returns <var>value</var> converted to an <dfn id="intl-mathematical-value" tabindex="-1">Intl mathematical value</dfn>, which is a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref> together with <emu-const>positive-infinity</emu-const>, <emu-const>negative-infinity</emu-const>, <emu-const>not-a-number</emu-const>, and <emu-const>negative-zero</emu-const>.
           This abstract operation is similar to <emu-xref href="#sec-tonumeric"><a href="https://tc39.es/ecma262/#sec-tonumeric">7.1.3</a></emu-xref>, but a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref> can be returned instead of a Number or BigInt, so that exact decimal values can be represented.
          It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>primValue</var> be ?&nbsp;<emu-xref aoid="ToPrimitive"><a href="https://tc39.es/ecma262/#sec-toprimitive">ToPrimitive</a></emu-xref>(<var>value</var>, <emu-const>number</emu-const>).</li><li>If <var>primValue</var> <emu-xref href="#sec-ecmascript-language-types-bigint-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-bigint-type">is a BigInt</a></emu-xref>, return <emu-xref aoid="ℝ"><a href="https://tc39.es/ecma262/#ℝ">ℝ</a></emu-xref>(<var>primValue</var>).</li><li>If <var>primValue</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref>, then<ol><li>Let <var>str</var> be <var>primValue</var>.</li></ol></li><li>Else,<ol><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>primValue</var>).</li><li>If <var>x</var> is <emu-val>-0</emu-val><sub>𝔽</sub>, return <emu-const>negative-zero</emu-const>.</li><li>Let <var>str</var> be <emu-xref aoid="Number::toString"><a href="https://tc39.es/ecma262/#sec-numeric-types-number-tostring">Number::toString</a></emu-xref>(<var>x</var>, 10).</li></ol></li><li>Let <var>text</var> be <emu-xref aoid="StringToCodePoints"><a href="https://tc39.es/ecma262/#sec-stringtocodepoints">StringToCodePoints</a></emu-xref>(<var>str</var>).</li><li>Let <var>literal</var> be <emu-xref aoid="ParseText"><a href="https://tc39.es/ecma262/#sec-parsetext">ParseText</a></emu-xref>(<var>text</var>, <emu-nt><a href="https://tc39.es/ecma262/#prod-StringNumericLiteral">StringNumericLiteral</a></emu-nt>).</li><li>If <var>literal</var> is a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of errors, return <emu-const>not-a-number</emu-const>.</li><li>Let <var>intlMV</var> be the <emu-xref aoid="StringIntlMV" id="_ref_797"><a href="#sec-runtime-semantics-stringintlmv">StringIntlMV</a></emu-xref> of <var>literal</var>.</li><li>If <var>intlMV</var> is a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>, then<ol><li>Let <var>rounded</var> be <emu-xref aoid="RoundMVResult"><a href="https://tc39.es/ecma262/#sec-roundmvresult">RoundMVResult</a></emu-xref>(<emu-xref aoid="abs"><a href="https://tc39.es/ecma262/#eqn-abs">abs</a></emu-xref>(<var>intlMV</var>)).</li><li>If <var>rounded</var> is <emu-val>+∞</emu-val><sub>𝔽</sub> and <var>intlMV</var> &lt; 0, return <emu-const>negative-infinity</emu-const>.</li><li>If <var>rounded</var> is <emu-val>+∞</emu-val><sub>𝔽</sub>, return <emu-const>positive-infinity</emu-const>.</li><li>If <var>rounded</var> is <emu-val>+0</emu-val><sub>𝔽</sub> and <var>intlMV</var> &lt; 0, return <emu-const>negative-zero</emu-const>.</li><li>If <var>rounded</var> is <emu-val>+0</emu-val><sub>𝔽</sub>, return 0.</li></ol></li><li>Return <var>intlMV</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>primValue</var> be ?&nbsp;<emu-xref aoid="ToPrimitive"><a href="https://tc39.es/ecma262/#sec-toprimitive">ToPrimitive</a></emu-xref>(<var>value</var>, <emu-const>number</emu-const>).</li><li>If <var>primValue</var> <emu-xref href="#sec-ecmascript-language-types-bigint-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-bigint-type">is a BigInt</a></emu-xref>, return <emu-xref aoid="ℝ"><a href="https://tc39.es/ecma262/#ℝ">ℝ</a></emu-xref>(<var>primValue</var>).</li><li>If <var>primValue</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref>, then<ol><li>Let <var>str</var> be <var>primValue</var>.</li></ol></li><li>Else,<ol><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>primValue</var>).</li><li>If <var>x</var> is <emu-val>-0</emu-val><sub>𝔽</sub>, return <emu-const>negative-zero</emu-const>.</li><li>Let <var>str</var> be <emu-xref aoid="Number::toString"><a href="https://tc39.es/ecma262/#sec-numeric-types-number-tostring">Number::toString</a></emu-xref>(<var>x</var>, 10).</li></ol></li><li>Let <var>text</var> be <emu-xref aoid="StringToCodePoints"><a href="https://tc39.es/ecma262/#sec-stringtocodepoints">StringToCodePoints</a></emu-xref>(<var>str</var>).</li><li>Let <var>literal</var> be <emu-xref aoid="ParseText"><a href="https://tc39.es/ecma262/#sec-parsetext">ParseText</a></emu-xref>(<var>text</var>, <emu-nt><a href="https://tc39.es/ecma262/#prod-StringNumericLiteral">StringNumericLiteral</a></emu-nt>).</li><li>If <var>literal</var> is a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of errors, return <emu-const>not-a-number</emu-const>.</li><li>Let <var>intlMV</var> be the <emu-xref aoid="StringIntlMV" id="_ref_794"><a href="#sec-runtime-semantics-stringintlmv">StringIntlMV</a></emu-xref> of <var>literal</var>.</li><li>If <var>intlMV</var> is a <emu-xref href="#mathematical-value"><a href="https://tc39.es/ecma262/#mathematical-value">mathematical value</a></emu-xref>, then<ol><li>Let <var>rounded</var> be <emu-xref aoid="RoundMVResult"><a href="https://tc39.es/ecma262/#sec-roundmvresult">RoundMVResult</a></emu-xref>(<emu-xref aoid="abs"><a href="https://tc39.es/ecma262/#eqn-abs">abs</a></emu-xref>(<var>intlMV</var>)).</li><li>If <var>rounded</var> is <emu-val>+∞</emu-val><sub>𝔽</sub> and <var>intlMV</var> &lt; 0, return <emu-const>negative-infinity</emu-const>.</li><li>If <var>rounded</var> is <emu-val>+∞</emu-val><sub>𝔽</sub>, return <emu-const>positive-infinity</emu-const>.</li><li>If <var>rounded</var> is <emu-val>+0</emu-val><sub>𝔽</sub> and <var>intlMV</var> &lt; 0, return <emu-const>negative-zero</emu-const>.</li><li>If <var>rounded</var> is <emu-val>+0</emu-val><sub>𝔽</sub>, return 0.</li></ol></li><li>Return <var>intlMV</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-getunsignedroundingmode" type="abstract operation" aoid="GetUnsignedRoundingMode">
@@ -4437,19 +4443,19 @@ <h1><span class="secnum">15.5.18</span> ApplyUnsignedRoundingMode ( <var>x</var>
 
     <emu-clause id="sec-partitionnumberrangepattern" type="abstract operation" aoid="PartitionNumberRangePattern">
       <h1><span class="secnum">15.5.19</span> PartitionNumberRangePattern ( <var>numberFormat</var>, <var>x</var>, <var>y</var> )</h1>
-      <p>The abstract operation PartitionNumberRangePattern takes arguments <var>numberFormat</var> (an Intl.NumberFormat), <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_798"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>), and <var>y</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_799"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String), <var class="field">[[Value]]</var> (a String), and <var class="field">[[Source]]</var> (a String), or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It creates the parts for a localized number range according to <var>x</var>, <var>y</var>, and the formatting options of <var>numberFormat</var>. It performs the following steps when called:</p>
-      <emu-alg><ol><li>If <var>x</var> is <emu-const>not-a-number</emu-const> or <var>y</var> is <emu-const>not-a-number</emu-const>, throw a <emu-val>RangeError</emu-val> exception.</li><li>Let <var>xResult</var> be <emu-xref aoid="PartitionNumberPattern" id="_ref_800"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Let <var>yResult</var> be <emu-xref aoid="PartitionNumberPattern" id="_ref_801"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>(<var>numberFormat</var>, <var>y</var>).</li><li>If <emu-xref aoid="FormatNumeric" id="_ref_802"><a href="#sec-formatnumber">FormatNumeric</a></emu-xref>(<var>numberFormat</var>, <var>x</var>) is <emu-xref aoid="FormatNumeric" id="_ref_803"><a href="#sec-formatnumber">FormatNumeric</a></emu-xref>(<var>numberFormat</var>, <var>y</var>), then<ol><li>Let <var>appxResult</var> be <emu-xref aoid="FormatApproximately" id="_ref_804"><a href="#sec-formatapproximately">FormatApproximately</a></emu-xref>(<var>numberFormat</var>, <var>xResult</var>).</li><li>For each element <var>r</var> of <var>appxResult</var>, do<ol><li>Set <var>r</var>.<var class="field">[[Source]]</var> to <emu-val>"shared"</emu-val>.</li></ol></li><li>Return <var>appxResult</var>.</li></ol></li><li>Let <var>result</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li><li>For each element <var>r</var> of <var>xResult</var>, do<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <var>r</var>.<var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>: <var>r</var>.<var class="field">[[Value]]</var>, <var class="field">[[Source]]</var>: <emu-val>"startRange"</emu-val>&nbsp;} to <var>result</var>.</li></ol></li><li>Let <var>rangeSeparator</var> be an ILND String value used to separate two numbers.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"literal"</emu-val>, <var class="field">[[Value]]</var>: <var>rangeSeparator</var>, <var class="field">[[Source]]</var>: <emu-val>"shared"</emu-val>&nbsp;} to <var>result</var>.</li><li>For each element <var>r</var> of <var>yResult</var>, do<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <var>r</var>.<var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>: <var>r</var>.<var class="field">[[Value]]</var>, <var class="field">[[Source]]</var>: <emu-val>"endRange"</emu-val>&nbsp;} to <var>result</var>.</li></ol></li><li>Return <emu-xref aoid="CollapseNumberRange" id="_ref_805"><a href="#sec-collapsenumberrange">CollapseNumberRange</a></emu-xref>(<var>result</var>).</li></ol></emu-alg>
+      <p>The abstract operation PartitionNumberRangePattern takes arguments <var>numberFormat</var> (an Intl.NumberFormat), <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_795"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>), and <var>y</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_796"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String), <var class="field">[[Value]]</var> (a String), and <var class="field">[[Source]]</var> (a String), or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It creates the parts for a localized number range according to <var>x</var>, <var>y</var>, and the formatting options of <var>numberFormat</var>. It performs the following steps when called:</p>
+      <emu-alg><ol><li>If <var>x</var> is <emu-const>not-a-number</emu-const> or <var>y</var> is <emu-const>not-a-number</emu-const>, throw a <emu-val>RangeError</emu-val> exception.</li><li>Let <var>xResult</var> be <emu-xref aoid="PartitionNumberPattern" id="_ref_797"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>).</li><li>Let <var>yResult</var> be <emu-xref aoid="PartitionNumberPattern" id="_ref_798"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>(<var>numberFormat</var>, <var>y</var>).</li><li>If <emu-xref aoid="FormatNumeric" id="_ref_799"><a href="#sec-formatnumber">FormatNumeric</a></emu-xref>(<var>numberFormat</var>, <var>x</var>) is <emu-xref aoid="FormatNumeric" id="_ref_800"><a href="#sec-formatnumber">FormatNumeric</a></emu-xref>(<var>numberFormat</var>, <var>y</var>), then<ol><li>Let <var>appxResult</var> be <emu-xref aoid="FormatApproximately" id="_ref_801"><a href="#sec-formatapproximately">FormatApproximately</a></emu-xref>(<var>numberFormat</var>, <var>xResult</var>).</li><li>For each element <var>r</var> of <var>appxResult</var>, do<ol><li>Set <var>r</var>.<var class="field">[[Source]]</var> to <emu-val>"shared"</emu-val>.</li></ol></li><li>Return <var>appxResult</var>.</li></ol></li><li>Let <var>result</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li><li>For each element <var>r</var> of <var>xResult</var>, do<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <var>r</var>.<var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>: <var>r</var>.<var class="field">[[Value]]</var>, <var class="field">[[Source]]</var>: <emu-val>"startRange"</emu-val>&nbsp;} to <var>result</var>.</li></ol></li><li>Let <var>rangeSeparator</var> be an ILND String value used to separate two numbers.</li><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"literal"</emu-val>, <var class="field">[[Value]]</var>: <var>rangeSeparator</var>, <var class="field">[[Source]]</var>: <emu-val>"shared"</emu-val>&nbsp;} to <var>result</var>.</li><li>For each element <var>r</var> of <var>yResult</var>, do<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <var>r</var>.<var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>: <var>r</var>.<var class="field">[[Value]]</var>, <var class="field">[[Source]]</var>: <emu-val>"endRange"</emu-val>&nbsp;} to <var>result</var>.</li></ol></li><li>Return <emu-xref aoid="CollapseNumberRange" id="_ref_802"><a href="#sec-collapsenumberrange">CollapseNumberRange</a></emu-xref>(<var>result</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-formatapproximately" type="abstract operation" aoid="FormatApproximately">
       <h1><span class="secnum">15.5.20</span> FormatApproximately ( <var>numberFormat</var>, <var>result</var> )</h1>
-      <p>The abstract operation FormatApproximately takes arguments <var>numberFormat</var> (an Intl.NumberFormat) and <var>result</var> (a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String) and <var class="field">[[Value]]</var> (a String)) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String) and <var class="field">[[Value]]</var> (a String). It modifies <var>result</var>, which must be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> values as described in <emu-xref aoid="PartitionNumberPattern" id="_ref_806"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>, by adding a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> for the approximately sign, which may depend on <var>numberFormat</var>. It performs the following steps when called:</p>
+      <p>The abstract operation FormatApproximately takes arguments <var>numberFormat</var> (an Intl.NumberFormat) and <var>result</var> (a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String) and <var class="field">[[Value]]</var> (a String)) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String) and <var class="field">[[Value]]</var> (a String). It modifies <var>result</var>, which must be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> values as described in <emu-xref aoid="PartitionNumberPattern" id="_ref_803"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>, by adding a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> for the approximately sign, which may depend on <var>numberFormat</var>. It performs the following steps when called:</p>
       <emu-alg><ol><li>Let <var>approximatelySign</var> be an ILND String value used to signify that a number is approximate.</li><li>If <var>approximatelySign</var> is not empty, insert the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"approximatelySign"</emu-val>, <var class="field">[[Value]]</var>: <var>approximatelySign</var>&nbsp;} at an ILND index in <var>result</var>. For example, if <var>numberFormat</var> has <var class="field">[[Locale]]</var> <emu-val>"en-US"</emu-val> and <var class="field">[[NumberingSystem]]</var> <emu-val>"latn"</emu-val> and <var class="field">[[Style]]</var> <emu-val>"decimal"</emu-val>, the new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> might be inserted before the first element of <var>result</var>.</li><li>Return <var>result</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-collapsenumberrange" type="implementation-defined abstract operation" aoid="CollapseNumberRange">
       <h1><span class="secnum">15.5.21</span> CollapseNumberRange ( <var>result</var> )</h1>
-      <p>The <emu-xref href="#implementation-defined"><a href="https://tc39.es/ecma262/#implementation-defined">implementation-defined</a></emu-xref> abstract operation CollapseNumberRange takes argument <var>result</var> (a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String), <var class="field">[[Value]]</var> (a String), and <var class="field">[[Source]]</var> (a String)) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String), <var class="field">[[Value]]</var> (a String), and <var class="field">[[Source]]</var> (a String). It modifies <var>result</var> (which must be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> as constructed within <emu-xref aoid="PartitionNumberRangePattern" id="_ref_807"><a href="#sec-partitionnumberrangepattern">PartitionNumberRangePattern</a></emu-xref>) by removing redundant information and resolving internal inconsistency, and returns the resulting <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>. The algorithm is implementation dependent, but must not introduce ambiguity that would cause the result of <emu-xref href="#sec-intl.numberformat.prototype.formatrange" title="" id="_ref_138"><a href="#sec-intl.numberformat.prototype.formatrange">Intl.NumberFormat.prototype.formatRange ( <var>start</var>, <var>end</var> )</a></emu-xref> with arguments <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> « <var>start1</var>, <var>end1</var> » to equal the result with arguments <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> « <var>start2</var>, <var>end2</var> » if the results for those same arguments <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Lists</a></emu-xref> would not be equal with a trivial implementation of CollapseNumberRange that always returns <var>result</var> unmodified.</p>
+      <p>The <emu-xref href="#implementation-defined"><a href="https://tc39.es/ecma262/#implementation-defined">implementation-defined</a></emu-xref> abstract operation CollapseNumberRange takes argument <var>result</var> (a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String), <var class="field">[[Value]]</var> (a String), and <var class="field">[[Source]]</var> (a String)) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String), <var class="field">[[Value]]</var> (a String), and <var class="field">[[Source]]</var> (a String). It modifies <var>result</var> (which must be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> as constructed within <emu-xref aoid="PartitionNumberRangePattern" id="_ref_804"><a href="#sec-partitionnumberrangepattern">PartitionNumberRangePattern</a></emu-xref>) by removing redundant information and resolving internal inconsistency, and returns the resulting <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>. The algorithm is implementation dependent, but must not introduce ambiguity that would cause the result of <emu-xref href="#sec-intl.numberformat.prototype.formatrange" title="" id="_ref_138"><a href="#sec-intl.numberformat.prototype.formatrange">Intl.NumberFormat.prototype.formatRange ( <var>start</var>, <var>end</var> )</a></emu-xref> with arguments <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> « <var>start1</var>, <var>end1</var> » to equal the result with arguments <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> « <var>start2</var>, <var>end2</var> » if the results for those same arguments <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Lists</a></emu-xref> would not be equal with a trivial implementation of CollapseNumberRange that always returns <var>result</var> unmodified.</p>
       <p>
         For example, an implementation may remove the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> representing a currency symbol after a range separator to convert a <var>results</var> <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> representing <emu-val>"$3–$5"</emu-val> into one representing <emu-val>"$3–5"</emu-val>.
       </p>
@@ -4463,14 +4469,14 @@ <h1><span class="secnum">15.5.21</span> CollapseNumberRange ( <var>result</var>
 
     <emu-clause id="sec-formatnumericrange" type="abstract operation" aoid="FormatNumericRange">
       <h1><span class="secnum">15.5.22</span> FormatNumericRange ( <var>numberFormat</var>, <var>x</var>, <var>y</var> )</h1>
-      <p>The abstract operation FormatNumericRange takes arguments <var>numberFormat</var> (an Intl.NumberFormat), <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_808"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>), and <var>y</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_809"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> a String or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>parts</var> be ?&nbsp;<emu-xref aoid="PartitionNumberRangePattern" id="_ref_810"><a href="#sec-partitionnumberrangepattern">PartitionNumberRangePattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>, <var>y</var>).</li><li>Let <var>result</var> be the empty String.</li><li>For each element <var>part</var> of <var>parts</var>, do<ol><li>Set <var>result</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>result</var> and <var>part</var>.<var class="field">[[Value]]</var>.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
+      <p>The abstract operation FormatNumericRange takes arguments <var>numberFormat</var> (an Intl.NumberFormat), <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_805"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>), and <var>y</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_806"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> a String or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It performs the following steps when called:</p>
+      <emu-alg><ol><li>Let <var>parts</var> be ?&nbsp;<emu-xref aoid="PartitionNumberRangePattern" id="_ref_807"><a href="#sec-partitionnumberrangepattern">PartitionNumberRangePattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>, <var>y</var>).</li><li>Let <var>result</var> be the empty String.</li><li>For each element <var>part</var> of <var>parts</var>, do<ol><li>Set <var>result</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>result</var> and <var>part</var>.<var class="field">[[Value]]</var>.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-formatnumericrangetoparts" type="abstract operation" aoid="FormatNumericRangeToParts">
       <h1><span class="secnum">15.5.23</span> FormatNumericRangeToParts ( <var>numberFormat</var>, <var>x</var>, <var>y</var> )</h1>
-      <p>The abstract operation FormatNumericRangeToParts takes arguments <var>numberFormat</var> (an Intl.NumberFormat), <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_811"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>), and <var>y</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_812"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> an Array or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>parts</var> be ?&nbsp;<emu-xref aoid="PartitionNumberRangePattern" id="_ref_813"><a href="#sec-partitionnumberrangepattern">PartitionNumberRangePattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>, <var>y</var>).</li><li>Let <var>result</var> be !&nbsp;<emu-xref aoid="ArrayCreate"><a href="https://tc39.es/ecma262/#sec-arraycreate">ArrayCreate</a></emu-xref>(0).</li><li>Let <var>n</var> be 0.</li><li>For each element <var>part</var> of <var>parts</var>, do<ol><li>Let <var>O</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-properties-of-the-object-prototype-object"><a href="https://tc39.es/ecma262/#sec-properties-of-the-object-prototype-object">%Object.prototype%</a></emu-xref>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"type"</emu-val>, <var>part</var>.<var class="field">[[Type]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"value"</emu-val>, <var>part</var>.<var class="field">[[Value]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"source"</emu-val>, <var>part</var>.<var class="field">[[Source]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>result</var>, !&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<emu-xref aoid="𝔽"><a href="https://tc39.es/ecma262/#𝔽">𝔽</a></emu-xref>(<var>n</var>)), <var>O</var>).</li><li>Increment <var>n</var> by 1.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
+      <p>The abstract operation FormatNumericRangeToParts takes arguments <var>numberFormat</var> (an Intl.NumberFormat), <var>x</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_808"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>), and <var>y</var> (an <emu-xref href="#intl-mathematical-value" id="_ref_809"><a href="#intl-mathematical-value">Intl mathematical value</a></emu-xref>) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> an Array or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It performs the following steps when called:</p>
+      <emu-alg><ol><li>Let <var>parts</var> be ?&nbsp;<emu-xref aoid="PartitionNumberRangePattern" id="_ref_810"><a href="#sec-partitionnumberrangepattern">PartitionNumberRangePattern</a></emu-xref>(<var>numberFormat</var>, <var>x</var>, <var>y</var>).</li><li>Let <var>result</var> be !&nbsp;<emu-xref aoid="ArrayCreate"><a href="https://tc39.es/ecma262/#sec-arraycreate">ArrayCreate</a></emu-xref>(0).</li><li>Let <var>n</var> be 0.</li><li>For each element <var>part</var> of <var>parts</var>, do<ol><li>Let <var>O</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-properties-of-the-object-prototype-object"><a href="https://tc39.es/ecma262/#sec-properties-of-the-object-prototype-object">%Object.prototype%</a></emu-xref>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"type"</emu-val>, <var>part</var>.<var class="field">[[Type]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"value"</emu-val>, <var>part</var>.<var class="field">[[Value]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"source"</emu-val>, <var>part</var>.<var class="field">[[Source]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>result</var>, !&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<emu-xref aoid="𝔽"><a href="https://tc39.es/ecma262/#𝔽">𝔽</a></emu-xref>(<var>n</var>)), <var>O</var>).</li><li>Increment <var>n</var> by 1.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 </emu-clause></emu-import>
@@ -4481,7 +4487,7 @@ <h1><span class="secnum">16</span> PluralRules Objects</h1>
     <h1><span class="secnum">16.1</span> The Intl.PluralRules Constructor</h1>
 
     <p>
-      The PluralRules <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> is the <dfn tabindex="-1">%Intl.PluralRules%</dfn> intrinsic object and a standard built-in property of the Intl object. Behaviour common to all <emu-xref href="#service-constructor" id="_ref_814"><a href="#service-constructor">service constructor</a></emu-xref> properties of the Intl object is specified in <emu-xref href="#sec-internal-slots" id="_ref_139"><a href="#sec-internal-slots">9.1</a></emu-xref>.
+      The PluralRules <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> is the <dfn tabindex="-1">%Intl.PluralRules%</dfn> intrinsic object and a standard built-in property of the Intl object. Behaviour common to all <emu-xref href="#service-constructor" id="_ref_811"><a href="#service-constructor">service constructor</a></emu-xref> properties of the Intl object is specified in <emu-xref href="#sec-internal-slots" id="_ref_139"><a href="#sec-internal-slots">9.1</a></emu-xref>.
     </p>
 
     <emu-clause id="sec-intl.pluralrules" oldids="sec-initializepluralrules"><span id="sec-initializepluralrules"></span>
@@ -4491,7 +4497,7 @@ <h1><span class="secnum">16.1.1</span> Intl.PluralRules ( [ <var>locales</var> [
         When the <code>Intl.PluralRules</code> function is called with optional arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>If NewTarget is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>pluralRules</var> be ?&nbsp;<emu-xref aoid="OrdinaryCreateFromConstructor"><a href="https://tc39.es/ecma262/#sec-ordinarycreatefromconstructor">OrdinaryCreateFromConstructor</a></emu-xref>(NewTarget, <emu-val>"%Intl.PluralRules.prototype%"</emu-val>, « <var class="field">[[InitializedPluralRules]]</var>, <var class="field">[[Locale]]</var>, <var class="field">[[Type]]</var>, <var class="field">[[MinimumIntegerDigits]]</var>, <var class="field">[[MinimumFractionDigits]]</var>, <var class="field">[[MaximumFractionDigits]]</var>, <var class="field">[[MinimumSignificantDigits]]</var>, <var class="field">[[MaximumSignificantDigits]]</var>, <var class="field">[[RoundingType]]</var>, <var class="field">[[RoundingIncrement]]</var>, <var class="field">[[RoundingMode]]</var>, <var class="field">[[ComputedRoundingPriority]]</var>, <var class="field">[[TrailingZeroDisplay]]</var>&nbsp;»).</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_815"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Set <var>options</var> to ?&nbsp;<emu-xref aoid="CoerceOptionsToObject" id="_ref_816"><a href="#sec-coerceoptionstoobject">CoerceOptionsToObject</a></emu-xref>(<var>options</var>).</li><li>Let <var>opt</var> be a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>.</li><li>Let <var>matcher</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_817"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"localeMatcher"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"lookup"</emu-val>, <emu-val>"best fit"</emu-val>&nbsp;», <emu-val>"best fit"</emu-val>).</li><li>Set <var>opt</var>.<var class="field">[[localeMatcher]]</var> to <var>matcher</var>.</li><li>Let <var>r</var> be <emu-xref aoid="ResolveLocale" id="_ref_818"><a href="#sec-resolvelocale">ResolveLocale</a></emu-xref>(<emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_819"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>, <var>requestedLocales</var>, <var>opt</var>, <emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_820"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var>, <emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_821"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>.<var class="field">[[LocaleData]]</var>).</li><li>Set <var>pluralRules</var>.<var class="field">[[Locale]]</var> to <var>r</var>.<var class="field">[[Locale]]</var>.</li><li>Let <var>t</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_822"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"type"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"cardinal"</emu-val>, <emu-val>"ordinal"</emu-val>&nbsp;», <emu-val>"cardinal"</emu-val>).</li><li>Set <var>pluralRules</var>.<var class="field">[[Type]]</var> to <var>t</var>.</li><li>Perform ?&nbsp;<emu-xref aoid="SetNumberFormatDigitOptions" id="_ref_823"><a href="#sec-setnfdigitoptions">SetNumberFormatDigitOptions</a></emu-xref>(<var>pluralRules</var>, <var>options</var>, 0, 3, <emu-val>"standard"</emu-val>).</li><li>Return <var>pluralRules</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>If NewTarget is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>pluralRules</var> be ?&nbsp;<emu-xref aoid="OrdinaryCreateFromConstructor"><a href="https://tc39.es/ecma262/#sec-ordinarycreatefromconstructor">OrdinaryCreateFromConstructor</a></emu-xref>(NewTarget, <emu-val>"%Intl.PluralRules.prototype%"</emu-val>, « <var class="field">[[InitializedPluralRules]]</var>, <var class="field">[[Locale]]</var>, <var class="field">[[Type]]</var>, <var class="field">[[MinimumIntegerDigits]]</var>, <var class="field">[[MinimumFractionDigits]]</var>, <var class="field">[[MaximumFractionDigits]]</var>, <var class="field">[[MinimumSignificantDigits]]</var>, <var class="field">[[MaximumSignificantDigits]]</var>, <var class="field">[[RoundingType]]</var>, <var class="field">[[RoundingIncrement]]</var>, <var class="field">[[RoundingMode]]</var>, <var class="field">[[ComputedRoundingPriority]]</var>, <var class="field">[[TrailingZeroDisplay]]</var>&nbsp;»).</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_812"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Set <var>options</var> to ?&nbsp;<emu-xref aoid="CoerceOptionsToObject" id="_ref_813"><a href="#sec-coerceoptionstoobject">CoerceOptionsToObject</a></emu-xref>(<var>options</var>).</li><li>Let <var>opt</var> be a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>.</li><li>Let <var>matcher</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_814"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"localeMatcher"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"lookup"</emu-val>, <emu-val>"best fit"</emu-val>&nbsp;», <emu-val>"best fit"</emu-val>).</li><li>Set <var>opt</var>.<var class="field">[[localeMatcher]]</var> to <var>matcher</var>.</li><li>Let <var>r</var> be <emu-xref aoid="ResolveLocale" id="_ref_815"><a href="#sec-resolvelocale">ResolveLocale</a></emu-xref>(<emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_816"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>, <var>requestedLocales</var>, <var>opt</var>, <emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_817"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var>, <emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_818"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>.<var class="field">[[LocaleData]]</var>).</li><li>Set <var>pluralRules</var>.<var class="field">[[Locale]]</var> to <var>r</var>.<var class="field">[[Locale]]</var>.</li><li>Let <var>t</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_819"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"type"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"cardinal"</emu-val>, <emu-val>"ordinal"</emu-val>&nbsp;», <emu-val>"cardinal"</emu-val>).</li><li>Set <var>pluralRules</var>.<var class="field">[[Type]]</var> to <var>t</var>.</li><li>Perform ?&nbsp;<emu-xref aoid="SetNumberFormatDigitOptions" id="_ref_820"><a href="#sec-setnfdigitoptions">SetNumberFormatDigitOptions</a></emu-xref>(<var>pluralRules</var>, <var>options</var>, 0, 3, <emu-val>"standard"</emu-val>).</li><li>Return <var>pluralRules</var>.</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 
@@ -4506,7 +4512,7 @@ <h1><span class="secnum">16.2</span> Properties of the Intl.PluralRules Construc
       <h1><span class="secnum">16.2.1</span> Intl.PluralRules.prototype</h1>
 
       <p>
-        The value of <code>Intl.PluralRules.prototype</code> is <emu-xref href="#sec-properties-of-intl-pluralrules-prototype-object" id="_ref_824"><a href="#sec-properties-of-intl-pluralrules-prototype-object">%Intl.PluralRules.prototype%</a></emu-xref>.
+        The value of <code>Intl.PluralRules.prototype</code> is <emu-xref href="#sec-properties-of-intl-pluralrules-prototype-object" id="_ref_821"><a href="#sec-properties-of-intl-pluralrules-prototype-object">%Intl.PluralRules.prototype%</a></emu-xref>.
       </p>
       <p>
         This property has the attributes { <var class="field">[[Writable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Enumerable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Configurable]]</var>: <emu-val>false</emu-val> }.
@@ -4520,7 +4526,7 @@ <h1><span class="secnum">16.2.2</span> Intl.PluralRules.supportedLocalesOf ( <va
         When the <code>supportedLocalesOf</code> method is called with arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>availableLocales</var> be <emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_825"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>.</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_826"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FilterLocales" id="_ref_827"><a href="#sec-filterlocales">FilterLocales</a></emu-xref>(<var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>availableLocales</var> be <emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_822"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>.</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_823"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FilterLocales" id="_ref_824"><a href="#sec-filterlocales">FilterLocales</a></emu-xref>(<var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-intl.pluralrules-internal-slots">
@@ -4559,7 +4565,7 @@ <h1><span class="secnum">16.3</span> Properties of the Intl.PluralRules Prototyp
       <h1><span class="secnum">16.3.1</span> Intl.PluralRules.prototype.constructor</h1>
 
       <p>
-        The initial value of <code>Intl.PluralRules.prototype.constructor</code> is <emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_828"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>.
+        The initial value of <code>Intl.PluralRules.prototype.constructor</code> is <emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_825"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>.
       </p>
     </emu-clause>
 
@@ -4581,7 +4587,7 @@ <h1><span class="secnum">16.3.3</span> Intl.PluralRules.prototype.select ( <var>
         When the <code>select</code> method is called with an argument <var>value</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>pr</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>pr</var>, <var class="field">[[InitializedPluralRules]]</var>).</li><li>Let <var>n</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>value</var>).</li><li>Return <emu-xref aoid="ResolvePlural" id="_ref_829"><a href="#sec-resolveplural">ResolvePlural</a></emu-xref>(<var>pr</var>, <var>n</var>).<var class="field">[[PluralCategory]]</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>pr</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>pr</var>, <var class="field">[[InitializedPluralRules]]</var>).</li><li>Let <var>n</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>value</var>).</li><li>Return <emu-xref aoid="ResolvePlural" id="_ref_826"><a href="#sec-resolveplural">ResolvePlural</a></emu-xref>(<var>pr</var>, <var>n</var>).<var class="field">[[PluralCategory]]</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-intl.pluralrules.prototype.selectrange">
@@ -4591,7 +4597,7 @@ <h1><span class="secnum">16.3.4</span> Intl.PluralRules.prototype.selectRange (
         When the <code>selectRange</code> method is called with arguments <var>start</var> and <var>end</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>pr</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>pr</var>, <var class="field">[[InitializedPluralRules]]</var>).</li><li>If <var>start</var> is <emu-val>undefined</emu-val> or <var>end</var> is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>start</var>).</li><li>Let <var>y</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>end</var>).</li><li>Return ?&nbsp;<emu-xref aoid="ResolvePluralRange" id="_ref_830"><a href="#sec-resolvepluralrange">ResolvePluralRange</a></emu-xref>(<var>pr</var>, <var>x</var>, <var>y</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>pr</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>pr</var>, <var class="field">[[InitializedPluralRules]]</var>).</li><li>If <var>start</var> is <emu-val>undefined</emu-val> or <var>end</var> is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>start</var>).</li><li>Let <var>y</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>end</var>).</li><li>Return ?&nbsp;<emu-xref aoid="ResolvePluralRange" id="_ref_827"><a href="#sec-resolvepluralrange">ResolvePluralRange</a></emu-xref>(<var>pr</var>, <var>x</var>, <var>y</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-intl.pluralrules.prototype.resolvedoptions">
@@ -4682,7 +4688,7 @@ <h1><span class="secnum">16.3.5</span> Intl.PluralRules.prototype.resolvedOption
     <h1><span class="secnum">16.4</span> Properties of Intl.PluralRules Instances</h1>
 
     <p>
-      Intl.PluralRules instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-properties-of-intl-pluralrules-prototype-object" id="_ref_831"><a href="#sec-properties-of-intl-pluralrules-prototype-object">%Intl.PluralRules.prototype%</a></emu-xref>.
+      Intl.PluralRules instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-properties-of-intl-pluralrules-prototype-object" id="_ref_828"><a href="#sec-properties-of-intl-pluralrules-prototype-object">%Intl.PluralRules.prototype%</a></emu-xref>.
     </p>
 
     <p>
@@ -4694,7 +4700,7 @@ <h1><span class="secnum">16.4</span> Properties of Intl.PluralRules Instances</h
     </p>
 
     <ul>
-      <li><var class="field">[[Locale]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the <emu-xref href="#sec-language-tags" id="_ref_832"><a href="#sec-language-tags">language tag</a></emu-xref> of the locale whose localization is used by the plural rules.</li>
+      <li><var class="field">[[Locale]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the <emu-xref href="#sec-language-tags" id="_ref_829"><a href="#sec-language-tags">language tag</a></emu-xref> of the locale whose localization is used by the plural rules.</li>
       <li><var class="field">[[Type]]</var> is one of the String values <emu-val>"cardinal"</emu-val> or <emu-val>"ordinal"</emu-val>, identifying the plural rules used.</li>
       <li><var class="field">[[MinimumIntegerDigits]]</var> is a non-negative <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> indicating the minimum <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref> digits to be used.</li>
       <li><var class="field">[[MinimumFractionDigits]]</var> and <var class="field">[[MaximumFractionDigits]]</var> are non-negative <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integers</a></emu-xref> indicating the minimum and maximum fraction digits to be used. Numbers will be rounded or padded with trailing zeroes if necessary.</li>
@@ -4712,8 +4718,8 @@ <h1><span class="secnum">16.5</span> Abstract Operations for PluralRules Objects
 
     <emu-clause id="sec-getoperands" type="abstract operation" aoid="GetOperands">
        <h1><span class="secnum">16.5.1</span> GetOperands ( <var>s</var> )</h1>
-       <p>The abstract operation GetOperands takes argument <var>s</var> (a decimal String) and returns a <emu-xref href="#plural-operands-record" id="_ref_833"><a href="#plural-operands-record">Plural Rules Operands Record</a></emu-xref>. It extracts numeric features from <var>s</var> that correspond with the operands of <a href="https://unicode.org/reports/tr35/tr35-numbers.html#Operands" data-print-href="">Unicode Technical Standard #35 Part 3 Numbers, Section 5.1.1 Operands</a>. It performs the following steps when called:</p>
-       <emu-alg><ol><li>Let <var>n</var> be !&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>s</var>).</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>n</var> is <emu-xref href="#finite"><a href="https://tc39.es/ecma262/#finite">finite</a></emu-xref>.</li><li>Let <var>dp</var> be <emu-xref aoid="StringIndexOf"><a href="https://tc39.es/ecma262/#sec-stringindexof">StringIndexOf</a></emu-xref>(<var>s</var>, <emu-val>"."</emu-val>, 0).</li><li>If <var>dp</var> is <emu-const>not-found</emu-const>, then<ol><li>Let <var>intPart</var> be <var>n</var>.</li><li>Let <var>fracSlice</var> be <emu-val>""</emu-val>.</li></ol></li><li>Else,<ol><li>Let <var>intPart</var> be the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>s</var> from 0 to <var>dp</var>.</li><li>Let <var>fracSlice</var> be the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>s</var> from <var>dp</var> + 1.</li></ol></li><li>Let <var>i</var> be <emu-xref aoid="abs"><a href="https://tc39.es/ecma262/#eqn-abs">abs</a></emu-xref>(! <emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>intPart</var>)).</li><li>Let <var>fracDigitCount</var> be the length of <var>fracSlice</var>.</li><li>Let <var>f</var> be !&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>fracSlice</var>).</li><li>Let <var>significantFracSlice</var> be the value of <var>fracSlice</var> stripped of trailing <emu-val>"0"</emu-val>.</li><li>Let <var>significantFracDigitCount</var> be the length of <var>significantFracSlice</var>.</li><li>Let <var>significantFrac</var> be !&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>significantFracSlice</var>).</li><li>Return a new <emu-xref href="#plural-operands-record" id="_ref_834"><a href="#plural-operands-record">Plural Rules Operands Record</a></emu-xref> { <var class="field">[[Number]]</var>: <emu-xref aoid="abs"><a href="https://tc39.es/ecma262/#eqn-abs">abs</a></emu-xref>(<var>n</var>), <var class="field">[[IntegerDigits]]</var>: <var>i</var>, <var class="field">[[FractionDigits]]</var>: <var>f</var>, <var class="field">[[NumberOfFractionDigits]]</var>: <var>fracDigitCount</var>, <var class="field">[[FractionDigitsWithoutTrailing]]</var>: <var>significantFrac</var>, <var class="field">[[NumberOfFractionDigitsWithoutTrailing]]</var>: <var>significantFracDigitCount</var>&nbsp;}.</li></ol></emu-alg>
+       <p>The abstract operation GetOperands takes argument <var>s</var> (a decimal String) and returns a <emu-xref href="#plural-operands-record" id="_ref_830"><a href="#plural-operands-record">Plural Rules Operands Record</a></emu-xref>. It extracts numeric features from <var>s</var> that correspond with the operands of <a href="https://unicode.org/reports/tr35/tr35-numbers.html#Operands" data-print-href="">Unicode Technical Standard #35 Part 3 Numbers, Section 5.1.1 Operands</a>. It performs the following steps when called:</p>
+       <emu-alg><ol><li>Let <var>n</var> be !&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>s</var>).</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>n</var> is <emu-xref href="#finite"><a href="https://tc39.es/ecma262/#finite">finite</a></emu-xref>.</li><li>Let <var>dp</var> be <emu-xref aoid="StringIndexOf"><a href="https://tc39.es/ecma262/#sec-stringindexof">StringIndexOf</a></emu-xref>(<var>s</var>, <emu-val>"."</emu-val>, 0).</li><li>If <var>dp</var> is <emu-const>not-found</emu-const>, then<ol><li>Let <var>intPart</var> be <var>n</var>.</li><li>Let <var>fracSlice</var> be <emu-val>""</emu-val>.</li></ol></li><li>Else,<ol><li>Let <var>intPart</var> be the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>s</var> from 0 to <var>dp</var>.</li><li>Let <var>fracSlice</var> be the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>s</var> from <var>dp</var> + 1.</li></ol></li><li>Let <var>i</var> be <emu-xref aoid="abs"><a href="https://tc39.es/ecma262/#eqn-abs">abs</a></emu-xref>(! <emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>intPart</var>)).</li><li>Let <var>fracDigitCount</var> be the length of <var>fracSlice</var>.</li><li>Let <var>f</var> be !&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>fracSlice</var>).</li><li>Let <var>significantFracSlice</var> be the value of <var>fracSlice</var> stripped of trailing <emu-val>"0"</emu-val>.</li><li>Let <var>significantFracDigitCount</var> be the length of <var>significantFracSlice</var>.</li><li>Let <var>significantFrac</var> be !&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>significantFracSlice</var>).</li><li>Return a new <emu-xref href="#plural-operands-record" id="_ref_831"><a href="#plural-operands-record">Plural Rules Operands Record</a></emu-xref> { <var class="field">[[Number]]</var>: <emu-xref aoid="abs"><a href="https://tc39.es/ecma262/#eqn-abs">abs</a></emu-xref>(<var>n</var>), <var class="field">[[IntegerDigits]]</var>: <var>i</var>, <var class="field">[[FractionDigits]]</var>: <var>f</var>, <var class="field">[[NumberOfFractionDigits]]</var>: <var>fracDigitCount</var>, <var class="field">[[FractionDigitsWithoutTrailing]]</var>: <var>significantFrac</var>, <var class="field">[[NumberOfFractionDigitsWithoutTrailing]]</var>: <var>significantFracDigitCount</var>&nbsp;}.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-plural-rules-operands-records">
@@ -4723,7 +4729,7 @@ <h1><span class="secnum">16.5.2</span> Plural Rules Operands Records</h1>
         Each <dfn id="plural-operands-record" tabindex="-1">Plural Rules Operands Record</dfn> has the fields defined in <emu-xref href="#table-plural-operands" id="_ref_147"><a href="#table-plural-operands">Table 26</a></emu-xref>.
       </p>
 
-       <emu-table id="table-plural-operands"><figure><figcaption>Table 26: <emu-xref href="#plural-operands-record" id="_ref_835"><a href="#plural-operands-record">Plural Rules Operands Record</a></emu-xref> Fields</figcaption>
+       <emu-table id="table-plural-operands"><figure><figcaption>Table 26: <emu-xref href="#plural-operands-record" id="_ref_832"><a href="#plural-operands-record">Plural Rules Operands Record</a></emu-xref> Fields</figcaption>
          
          <table class="real-table">
            <thead>
@@ -4776,13 +4782,13 @@ <h1><span class="secnum">16.5.2</span> Plural Rules Operands Records</h1>
 
     <emu-clause id="sec-pluralruleselect" type="implementation-defined abstract operation" aoid="PluralRuleSelect">
       <h1><span class="secnum">16.5.3</span> PluralRuleSelect ( <var>locale</var>, <var>type</var>, <var>n</var>, <var>operands</var> )</h1>
-      <p>The <emu-xref href="#implementation-defined"><a href="https://tc39.es/ecma262/#implementation-defined">implementation-defined</a></emu-xref> abstract operation PluralRuleSelect takes arguments <var>locale</var> (a String), <var>type</var> (<emu-val>"cardinal"</emu-val> or <emu-val>"ordinal"</emu-val>), <var>n</var> (a <emu-xref href="#finite"><a href="https://tc39.es/ecma262/#finite">finite</a></emu-xref> Number), and <var>operands</var> (a <emu-xref href="#plural-operands-record" id="_ref_836"><a href="#plural-operands-record">Plural Rules Operands Record</a></emu-xref> derived from formatting <var>n</var>) and returns <emu-val>"zero"</emu-val>, <emu-val>"one"</emu-val>, <emu-val>"two"</emu-val>, <emu-val>"few"</emu-val>, <emu-val>"many"</emu-val>, or <emu-val>"other"</emu-val>. The returned String best categorizes the <var>operands</var> representation of <var>n</var> according to the rules for <var>locale</var> and <var>type</var>.</p>
+      <p>The <emu-xref href="#implementation-defined"><a href="https://tc39.es/ecma262/#implementation-defined">implementation-defined</a></emu-xref> abstract operation PluralRuleSelect takes arguments <var>locale</var> (a String), <var>type</var> (<emu-val>"cardinal"</emu-val> or <emu-val>"ordinal"</emu-val>), <var>n</var> (a <emu-xref href="#finite"><a href="https://tc39.es/ecma262/#finite">finite</a></emu-xref> Number), and <var>operands</var> (a <emu-xref href="#plural-operands-record" id="_ref_833"><a href="#plural-operands-record">Plural Rules Operands Record</a></emu-xref> derived from formatting <var>n</var>) and returns <emu-val>"zero"</emu-val>, <emu-val>"one"</emu-val>, <emu-val>"two"</emu-val>, <emu-val>"few"</emu-val>, <emu-val>"many"</emu-val>, or <emu-val>"other"</emu-val>. The returned String best categorizes the <var>operands</var> representation of <var>n</var> according to the rules for <var>locale</var> and <var>type</var>.</p>
     </emu-clause>
 
     <emu-clause id="sec-resolveplural" type="abstract operation" aoid="ResolvePlural">
       <h1><span class="secnum">16.5.4</span> ResolvePlural ( <var>pluralRules</var>, <var>n</var> )</h1>
       <p>The abstract operation ResolvePlural takes arguments <var>pluralRules</var> (an Intl.PluralRules) and <var>n</var> (a Number) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> with fields <var class="field">[[PluralCategory]]</var> (<emu-val>"zero"</emu-val>, <emu-val>"one"</emu-val>, <emu-val>"two"</emu-val>, <emu-val>"few"</emu-val>, <emu-val>"many"</emu-val>, or <emu-val>"other"</emu-val>) and <var class="field">[[FormattedString]]</var> (a String). The returned <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> contains two string-valued fields describing <var>n</var> according to the effective locale and the options of <var>pluralRules</var>: <var class="field">[[PluralCategory]]</var> characterizing its <emu-xref href="#sec-pluralruleselect" id="_ref_148"><a href="#sec-pluralruleselect">plural category</a></emu-xref>, and <var class="field">[[FormattedString]]</var> containing its formatted representation. It performs the following steps when called:</p>
-      <emu-alg><ol><li>If <var>n</var> is not a <emu-xref href="#finite"><a href="https://tc39.es/ecma262/#finite">finite</a></emu-xref> Number, then<ol><li>Let <var>s</var> be !&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>n</var>).</li><li>Return the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[PluralCategory]]</var>: <emu-val>"other"</emu-val>, <var class="field">[[FormattedString]]</var>: <var>s</var>&nbsp;}.</li></ol></li><li>Let <var>locale</var> be <var>pluralRules</var>.<var class="field">[[Locale]]</var>.</li><li>Let <var>type</var> be <var>pluralRules</var>.<var class="field">[[Type]]</var>.</li><li>Let <var>res</var> be <emu-xref aoid="FormatNumericToString" id="_ref_837"><a href="#sec-formatnumberstring">FormatNumericToString</a></emu-xref>(<var>pluralRules</var>, <emu-xref aoid="ℝ"><a href="https://tc39.es/ecma262/#ℝ">ℝ</a></emu-xref>(<var>n</var>)).</li><li>Let <var>s</var> be <var>res</var>.<var class="field">[[FormattedString]]</var>.</li><li>Let <var>operands</var> be <emu-xref aoid="GetOperands" id="_ref_838"><a href="#sec-getoperands">GetOperands</a></emu-xref>(<var>s</var>).</li><li>Let <var>p</var> be <emu-xref aoid="PluralRuleSelect" id="_ref_839"><a href="#sec-pluralruleselect">PluralRuleSelect</a></emu-xref>(<var>locale</var>, <var>type</var>, <var>n</var>, <var>operands</var>).</li><li>Return the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[PluralCategory]]</var>: <var>p</var>, <var class="field">[[FormattedString]]</var>: <var>s</var>&nbsp;}.</li></ol></emu-alg>
+      <emu-alg><ol><li>If <var>n</var> is not a <emu-xref href="#finite"><a href="https://tc39.es/ecma262/#finite">finite</a></emu-xref> Number, then<ol><li>Let <var>s</var> be !&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>n</var>).</li><li>Return the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[PluralCategory]]</var>: <emu-val>"other"</emu-val>, <var class="field">[[FormattedString]]</var>: <var>s</var>&nbsp;}.</li></ol></li><li>Let <var>locale</var> be <var>pluralRules</var>.<var class="field">[[Locale]]</var>.</li><li>Let <var>type</var> be <var>pluralRules</var>.<var class="field">[[Type]]</var>.</li><li>Let <var>res</var> be <emu-xref aoid="FormatNumericToString" id="_ref_834"><a href="#sec-formatnumberstring">FormatNumericToString</a></emu-xref>(<var>pluralRules</var>, <emu-xref aoid="ℝ"><a href="https://tc39.es/ecma262/#ℝ">ℝ</a></emu-xref>(<var>n</var>)).</li><li>Let <var>s</var> be <var>res</var>.<var class="field">[[FormattedString]]</var>.</li><li>Let <var>operands</var> be <emu-xref aoid="GetOperands" id="_ref_835"><a href="#sec-getoperands">GetOperands</a></emu-xref>(<var>s</var>).</li><li>Let <var>p</var> be <emu-xref aoid="PluralRuleSelect" id="_ref_836"><a href="#sec-pluralruleselect">PluralRuleSelect</a></emu-xref>(<var>locale</var>, <var>type</var>, <var>n</var>, <var>operands</var>).</li><li>Return the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[PluralCategory]]</var>: <var>p</var>, <var class="field">[[FormattedString]]</var>: <var>s</var>&nbsp;}.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-pluralruleselectrange" type="implementation-defined abstract operation" aoid="PluralRuleSelectRange">
@@ -4793,7 +4799,7 @@ <h1><span class="secnum">16.5.5</span> PluralRuleSelectRange ( <var>locale</var>
     <emu-clause id="sec-resolvepluralrange" type="abstract operation" aoid="ResolvePluralRange">
       <h1><span class="secnum">16.5.6</span> ResolvePluralRange ( <var>pluralRules</var>, <var>x</var>, <var>y</var> )</h1>
       <p>The abstract operation ResolvePluralRange takes arguments <var>pluralRules</var> (an Intl.PluralRules), <var>x</var> (a Number), and <var>y</var> (a Number) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> either <emu-val>"zero"</emu-val>, <emu-val>"one"</emu-val>, <emu-val>"two"</emu-val>, <emu-val>"few"</emu-val>, <emu-val>"many"</emu-val>, or <emu-val>"other"</emu-val>, or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. The returned String value represents the plural form of the range starting from <var>x</var> and ending at <var>y</var> according to the effective locale and the options of <var>pluralRules</var>. It performs the following steps when called:</p>
-      <emu-alg><ol><li>If <var>x</var> is <emu-val>NaN</emu-val> or <var>y</var> is <emu-val>NaN</emu-val>, throw a <emu-val>RangeError</emu-val> exception.</li><li>Let <var>xp</var> be <emu-xref aoid="ResolvePlural" id="_ref_840"><a href="#sec-resolveplural">ResolvePlural</a></emu-xref>(<var>pluralRules</var>, <var>x</var>).</li><li>Let <var>yp</var> be <emu-xref aoid="ResolvePlural" id="_ref_841"><a href="#sec-resolveplural">ResolvePlural</a></emu-xref>(<var>pluralRules</var>, <var>y</var>).</li><li>If <var>xp</var>.<var class="field">[[FormattedString]]</var> is <var>yp</var>.<var class="field">[[FormattedString]]</var>, then<ol><li>Return <var>xp</var>.<var class="field">[[PluralCategory]]</var>.</li></ol></li><li>Let <var>locale</var> be <var>pluralRules</var>.<var class="field">[[Locale]]</var>.</li><li>Let <var>type</var> be <var>pluralRules</var>.<var class="field">[[Type]]</var>.</li><li>Return <emu-xref aoid="PluralRuleSelectRange" id="_ref_842"><a href="#sec-pluralruleselectrange">PluralRuleSelectRange</a></emu-xref>(<var>locale</var>, <var>type</var>, <var>xp</var>.<var class="field">[[PluralCategory]]</var>, <var>yp</var>.<var class="field">[[PluralCategory]]</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>If <var>x</var> is <emu-val>NaN</emu-val> or <var>y</var> is <emu-val>NaN</emu-val>, throw a <emu-val>RangeError</emu-val> exception.</li><li>Let <var>xp</var> be <emu-xref aoid="ResolvePlural" id="_ref_837"><a href="#sec-resolveplural">ResolvePlural</a></emu-xref>(<var>pluralRules</var>, <var>x</var>).</li><li>Let <var>yp</var> be <emu-xref aoid="ResolvePlural" id="_ref_838"><a href="#sec-resolveplural">ResolvePlural</a></emu-xref>(<var>pluralRules</var>, <var>y</var>).</li><li>If <var>xp</var>.<var class="field">[[FormattedString]]</var> is <var>yp</var>.<var class="field">[[FormattedString]]</var>, then<ol><li>Return <var>xp</var>.<var class="field">[[PluralCategory]]</var>.</li></ol></li><li>Let <var>locale</var> be <var>pluralRules</var>.<var class="field">[[Locale]]</var>.</li><li>Let <var>type</var> be <var>pluralRules</var>.<var class="field">[[Type]]</var>.</li><li>Return <emu-xref aoid="PluralRuleSelectRange" id="_ref_839"><a href="#sec-pluralruleselectrange">PluralRuleSelectRange</a></emu-xref>(<var>locale</var>, <var>type</var>, <var>xp</var>.<var class="field">[[PluralCategory]]</var>, <var>yp</var>.<var class="field">[[PluralCategory]]</var>).</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 </emu-clause></emu-import>
@@ -4804,7 +4810,7 @@ <h1><span class="secnum">17</span> RelativeTimeFormat Objects</h1>
     <h1><span class="secnum">17.1</span> The Intl.RelativeTimeFormat Constructor</h1>
 
     <p>
-      The RelativeTimeFormat <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> is the <dfn tabindex="-1">%Intl.RelativeTimeFormat%</dfn> intrinsic object and a standard built-in property of the Intl object. Behaviour common to all <emu-xref href="#service-constructor" id="_ref_843"><a href="#service-constructor">service constructor</a></emu-xref> properties of the Intl object is specified in <emu-xref href="#sec-internal-slots" id="_ref_150"><a href="#sec-internal-slots">9.1</a></emu-xref>.
+      The RelativeTimeFormat <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> is the <dfn tabindex="-1">%Intl.RelativeTimeFormat%</dfn> intrinsic object and a standard built-in property of the Intl object. Behaviour common to all <emu-xref href="#service-constructor" id="_ref_840"><a href="#service-constructor">service constructor</a></emu-xref> properties of the Intl object is specified in <emu-xref href="#sec-internal-slots" id="_ref_150"><a href="#sec-internal-slots">9.1</a></emu-xref>.
     </p>
 
     <emu-clause id="sec-Intl.RelativeTimeFormat" oldids="sec-InitializeRelativeTimeFormat"><span id="sec-InitializeRelativeTimeFormat"></span>
@@ -4814,7 +4820,7 @@ <h1><span class="secnum">17.1.1</span> Intl.RelativeTimeFormat ( [ <var>locales<
         When the <code>Intl.RelativeTimeFormat</code> function is called with optional arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>If NewTarget is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>relativeTimeFormat</var> be ?&nbsp;<emu-xref aoid="OrdinaryCreateFromConstructor"><a href="https://tc39.es/ecma262/#sec-ordinarycreatefromconstructor">OrdinaryCreateFromConstructor</a></emu-xref>(NewTarget, <emu-val>"%Intl.RelativeTimeFormat.prototype%"</emu-val>, « <var class="field">[[InitializedRelativeTimeFormat]]</var>, <var class="field">[[Locale]]</var>, <var class="field">[[LocaleData]]</var>, <var class="field">[[Style]]</var>, <var class="field">[[Numeric]]</var>, <var class="field">[[NumberFormat]]</var>, <var class="field">[[NumberingSystem]]</var>, <var class="field">[[PluralRules]]</var>&nbsp;»).</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_844"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Set <var>options</var> to ?&nbsp;<emu-xref aoid="CoerceOptionsToObject" id="_ref_845"><a href="#sec-coerceoptionstoobject">CoerceOptionsToObject</a></emu-xref>(<var>options</var>).</li><li>Let <var>opt</var> be a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>.</li><li>Let <var>matcher</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_846"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"localeMatcher"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"lookup"</emu-val>, <emu-val>"best fit"</emu-val>&nbsp;», <emu-val>"best fit"</emu-val>).</li><li>Set <var>opt</var>.<var class="field">[[LocaleMatcher]]</var> to <var>matcher</var>.</li><li>Let <var>numberingSystem</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_847"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"numberingSystem"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-val>undefined</emu-val>).</li><li>If <var>numberingSystem</var> is not <emu-val>undefined</emu-val>, then<ol><li>If <var>numberingSystem</var> cannot be matched by the <code>type</code> <emu-xref href="#sec-language-tags" id="_ref_848"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Set <var>opt</var>.<var class="field">[[nu]]</var> to <var>numberingSystem</var>.</li><li>Let <var>r</var> be <emu-xref aoid="ResolveLocale" id="_ref_849"><a href="#sec-resolvelocale">ResolveLocale</a></emu-xref>(<emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_850"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>, <var>requestedLocales</var>, <var>opt</var>, <emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_851"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var>, <emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_852"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.<var class="field">[[LocaleData]]</var>).</li><li>Let <var>locale</var> be <var>r</var>.<var class="field">[[Locale]]</var>.</li><li>Set <var>relativeTimeFormat</var>.<var class="field">[[Locale]]</var> to <var>locale</var>.</li><li>Set <var>relativeTimeFormat</var>.<var class="field">[[LocaleData]]</var> to <var>r</var>.<var class="field">[[LocaleData]]</var>.</li><li>Set <var>relativeTimeFormat</var>.<var class="field">[[NumberingSystem]]</var> to <var>r</var>.<var class="field">[[nu]]</var>.</li><li>Let <var>style</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_853"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"style"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"long"</emu-val>, <emu-val>"short"</emu-val>, <emu-val>"narrow"</emu-val>&nbsp;», <emu-val>"long"</emu-val>).</li><li>Set <var>relativeTimeFormat</var>.<var class="field">[[Style]]</var> to <var>style</var>.</li><li>Let <var>numeric</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_854"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"numeric"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"always"</emu-val>, <emu-val>"auto"</emu-val>&nbsp;», <emu-val>"always"</emu-val>).</li><li>Set <var>relativeTimeFormat</var>.<var class="field">[[Numeric]]</var> to <var>numeric</var>.</li><li>Let <var>relativeTimeFormat</var>.<var class="field">[[NumberFormat]]</var> be !&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_855"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>, « <var>locale</var>&nbsp;»).</li><li>Let <var>relativeTimeFormat</var>.<var class="field">[[PluralRules]]</var> be !&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_856"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>, « <var>locale</var>&nbsp;»).</li><li>Return <var>relativeTimeFormat</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>If NewTarget is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>relativeTimeFormat</var> be ?&nbsp;<emu-xref aoid="OrdinaryCreateFromConstructor"><a href="https://tc39.es/ecma262/#sec-ordinarycreatefromconstructor">OrdinaryCreateFromConstructor</a></emu-xref>(NewTarget, <emu-val>"%Intl.RelativeTimeFormat.prototype%"</emu-val>, « <var class="field">[[InitializedRelativeTimeFormat]]</var>, <var class="field">[[Locale]]</var>, <var class="field">[[LocaleData]]</var>, <var class="field">[[Style]]</var>, <var class="field">[[Numeric]]</var>, <var class="field">[[NumberFormat]]</var>, <var class="field">[[NumberingSystem]]</var>, <var class="field">[[PluralRules]]</var>&nbsp;»).</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_841"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Set <var>options</var> to ?&nbsp;<emu-xref aoid="CoerceOptionsToObject" id="_ref_842"><a href="#sec-coerceoptionstoobject">CoerceOptionsToObject</a></emu-xref>(<var>options</var>).</li><li>Let <var>opt</var> be a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>.</li><li>Let <var>matcher</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_843"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"localeMatcher"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"lookup"</emu-val>, <emu-val>"best fit"</emu-val>&nbsp;», <emu-val>"best fit"</emu-val>).</li><li>Set <var>opt</var>.<var class="field">[[LocaleMatcher]]</var> to <var>matcher</var>.</li><li>Let <var>numberingSystem</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_844"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"numberingSystem"</emu-val>, <emu-const>string</emu-const>, <emu-const>empty</emu-const>, <emu-val>undefined</emu-val>).</li><li>If <var>numberingSystem</var> is not <emu-val>undefined</emu-val>, then<ol><li>If <var>numberingSystem</var> cannot be matched by the <code>type</code> <emu-xref href="#sec-language-tags" id="_ref_845"><a href="#sec-language-tags">Unicode locale nonterminal</a></emu-xref>, throw a <emu-val>RangeError</emu-val> exception.</li></ol></li><li>Set <var>opt</var>.<var class="field">[[nu]]</var> to <var>numberingSystem</var>.</li><li>Let <var>r</var> be <emu-xref aoid="ResolveLocale" id="_ref_846"><a href="#sec-resolvelocale">ResolveLocale</a></emu-xref>(<emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_847"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>, <var>requestedLocales</var>, <var>opt</var>, <emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_848"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var>, <emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_849"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.<var class="field">[[LocaleData]]</var>).</li><li>Let <var>locale</var> be <var>r</var>.<var class="field">[[Locale]]</var>.</li><li>Set <var>relativeTimeFormat</var>.<var class="field">[[Locale]]</var> to <var>locale</var>.</li><li>Set <var>relativeTimeFormat</var>.<var class="field">[[LocaleData]]</var> to <var>r</var>.<var class="field">[[LocaleData]]</var>.</li><li>Set <var>relativeTimeFormat</var>.<var class="field">[[NumberingSystem]]</var> to <var>r</var>.<var class="field">[[nu]]</var>.</li><li>Let <var>style</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_850"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"style"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"long"</emu-val>, <emu-val>"short"</emu-val>, <emu-val>"narrow"</emu-val>&nbsp;», <emu-val>"long"</emu-val>).</li><li>Set <var>relativeTimeFormat</var>.<var class="field">[[Style]]</var> to <var>style</var>.</li><li>Let <var>numeric</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_851"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"numeric"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"always"</emu-val>, <emu-val>"auto"</emu-val>&nbsp;», <emu-val>"always"</emu-val>).</li><li>Set <var>relativeTimeFormat</var>.<var class="field">[[Numeric]]</var> to <var>numeric</var>.</li><li>Let <var>relativeTimeFormat</var>.<var class="field">[[NumberFormat]]</var> be !&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_852"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>, « <var>locale</var>&nbsp;»).</li><li>Let <var>relativeTimeFormat</var>.<var class="field">[[PluralRules]]</var> be !&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-pluralrules-constructor" id="_ref_853"><a href="#sec-intl-pluralrules-constructor">%Intl.PluralRules%</a></emu-xref>, « <var>locale</var>&nbsp;»).</li><li>Return <var>relativeTimeFormat</var>.</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 
@@ -4829,7 +4835,7 @@ <h1><span class="secnum">17.2</span> Properties of the Intl.RelativeTimeFormat C
       <h1><span class="secnum">17.2.1</span> Intl.RelativeTimeFormat.prototype</h1>
 
       <p>
-        The value of <code>Intl.RelativeTimeFormat.prototype</code> is <emu-xref href="#sec-properties-of-intl-relativetimeformat-prototype-object" id="_ref_857"><a href="#sec-properties-of-intl-relativetimeformat-prototype-object">%Intl.RelativeTimeFormat.prototype%</a></emu-xref>.
+        The value of <code>Intl.RelativeTimeFormat.prototype</code> is <emu-xref href="#sec-properties-of-intl-relativetimeformat-prototype-object" id="_ref_854"><a href="#sec-properties-of-intl-relativetimeformat-prototype-object">%Intl.RelativeTimeFormat.prototype%</a></emu-xref>.
       </p>
       <p>
         This property has the attributes { <var class="field">[[Writable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Enumerable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Configurable]]</var>: <emu-val>false</emu-val> }.
@@ -4843,7 +4849,7 @@ <h1><span class="secnum">17.2.2</span> Intl.RelativeTimeFormat.supportedLocalesO
         When the <code>supportedLocalesOf</code> method is called with arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>availableLocales</var> be <emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_858"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>.</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_859"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FilterLocales" id="_ref_860"><a href="#sec-filterlocales">FilterLocales</a></emu-xref>(<var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>availableLocales</var> be <emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_855"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>.</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_856"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FilterLocales" id="_ref_857"><a href="#sec-filterlocales">FilterLocales</a></emu-xref>(<var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-Intl.RelativeTimeFormat-internal-slots">
@@ -4894,7 +4900,7 @@ <h1><span class="secnum">17.3</span> Properties of the Intl.RelativeTimeFormat P
       <h1><span class="secnum">17.3.1</span> Intl.RelativeTimeFormat.prototype.constructor</h1>
 
       <p>
-        The initial value of <code>Intl.RelativeTimeFormat.prototype.constructor</code> is <emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_861"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.
+        The initial value of <code>Intl.RelativeTimeFormat.prototype.constructor</code> is <emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_858"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.
       </p>
     </emu-clause>
 
@@ -4916,7 +4922,7 @@ <h1><span class="secnum">17.3.3</span> Intl.RelativeTimeFormat.prototype.format
         When the <code>format</code> method is called with arguments <var>value</var> and <var>unit</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>relativeTimeFormat</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>relativeTimeFormat</var>, <var class="field">[[InitializedRelativeTimeFormat]]</var>).</li><li>Let <var>value</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>value</var>).</li><li>Let <var>unit</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>unit</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FormatRelativeTime" id="_ref_862"><a href="#sec-FormatRelativeTime">FormatRelativeTime</a></emu-xref>(<var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>relativeTimeFormat</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>relativeTimeFormat</var>, <var class="field">[[InitializedRelativeTimeFormat]]</var>).</li><li>Let <var>value</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>value</var>).</li><li>Let <var>unit</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>unit</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FormatRelativeTime" id="_ref_859"><a href="#sec-FormatRelativeTime">FormatRelativeTime</a></emu-xref>(<var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-Intl.RelativeTimeFormat.prototype.formatToParts">
@@ -4926,7 +4932,7 @@ <h1><span class="secnum">17.3.4</span> Intl.RelativeTimeFormat.prototype.formatT
         When the <code>formatToParts</code> method is called with arguments <var>value</var> and <var>unit</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>relativeTimeFormat</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>relativeTimeFormat</var>, <var class="field">[[InitializedRelativeTimeFormat]]</var>).</li><li>Let <var>value</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>value</var>).</li><li>Let <var>unit</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>unit</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FormatRelativeTimeToParts" id="_ref_863"><a href="#sec-FormatRelativeTimeToParts">FormatRelativeTimeToParts</a></emu-xref>(<var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>relativeTimeFormat</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>relativeTimeFormat</var>, <var class="field">[[InitializedRelativeTimeFormat]]</var>).</li><li>Let <var>value</var> be ?&nbsp;<emu-xref aoid="ToNumber"><a href="https://tc39.es/ecma262/#sec-tonumber">ToNumber</a></emu-xref>(<var>value</var>).</li><li>Let <var>unit</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>unit</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FormatRelativeTimeToParts" id="_ref_860"><a href="#sec-FormatRelativeTimeToParts">FormatRelativeTimeToParts</a></emu-xref>(<var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-intl.relativetimeformat.prototype.resolvedoptions">
@@ -4972,7 +4978,7 @@ <h1><span class="secnum">17.3.5</span> Intl.RelativeTimeFormat.prototype.resolve
     <h1><span class="secnum">17.4</span> Properties of Intl.RelativeTimeFormat Instances</h1>
 
     <p>
-      Intl.RelativeTimeFormat instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-properties-of-intl-relativetimeformat-prototype-object" id="_ref_864"><a href="#sec-properties-of-intl-relativetimeformat-prototype-object">%Intl.RelativeTimeFormat.prototype%</a></emu-xref>.
+      Intl.RelativeTimeFormat instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-properties-of-intl-relativetimeformat-prototype-object" id="_ref_861"><a href="#sec-properties-of-intl-relativetimeformat-prototype-object">%Intl.RelativeTimeFormat.prototype%</a></emu-xref>.
     </p>
 
     <p>
@@ -4984,8 +4990,8 @@ <h1><span class="secnum">17.4</span> Properties of Intl.RelativeTimeFormat Insta
     </p>
 
     <ul>
-      <li><var class="field">[[Locale]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the <emu-xref href="#sec-language-tags" id="_ref_865"><a href="#sec-language-tags">language tag</a></emu-xref> of the locale whose localization is used for formatting.</li>
-      <li><var class="field">[[LocaleData]]</var> is a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> representing the data available to the implementation for formatting. It is the value of an entry in <emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_866"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.<var class="field">[[LocaleData]]</var> associated with either the value of <var class="field">[[Locale]]</var> or a prefix thereof.</li>
+      <li><var class="field">[[Locale]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the <emu-xref href="#sec-language-tags" id="_ref_862"><a href="#sec-language-tags">language tag</a></emu-xref> of the locale whose localization is used for formatting.</li>
+      <li><var class="field">[[LocaleData]]</var> is a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> representing the data available to the implementation for formatting. It is the value of an entry in <emu-xref href="#sec-intl-relativetimeformat-constructor" id="_ref_863"><a href="#sec-intl-relativetimeformat-constructor">%Intl.RelativeTimeFormat%</a></emu-xref>.<var class="field">[[LocaleData]]</var> associated with either the value of <var class="field">[[Locale]]</var> or a prefix thereof.</li>
       <li><var class="field">[[Style]]</var> is one of the String values <emu-val>"long"</emu-val>, <emu-val>"short"</emu-val>, or <emu-val>"narrow"</emu-val>, identifying the relative time format style used.</li>
       <li><var class="field">[[Numeric]]</var> is one of the String values <emu-val>"always"</emu-val> or <emu-val>"auto"</emu-val>, identifying whether numerical descriptions are always used, or used only when no more specific version is available (e.g., "1 day ago" vs "yesterday").</li>
       <li><var class="field">[[NumberFormat]]</var> is an Intl.NumberFormat object used for formatting.</li>
@@ -5010,19 +5016,19 @@ <h1><span class="secnum">17.5.2</span> PartitionRelativeTimePattern ( <var>relat
 
       <p>The abstract operation PartitionRelativeTimePattern takes arguments <var>relativeTimeFormat</var> (an Intl.RelativeTimeFormat), <var>value</var> (a Number), and <var>unit</var> (a String) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String), <var class="field">[[Value]]</var> (a String), and <var class="field">[[Unit]]</var> (a String or <emu-const>empty</emu-const>), or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. The returned <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> represents <var>value</var> according to the effective locale and the formatting options of <var>relativeTimeFormat</var>. It performs the following steps when called:</p>
 
-      <emu-alg><ol><li>If <var>value</var> is <emu-val>NaN</emu-val>, <emu-val>+∞</emu-val><sub>𝔽</sub>, or <emu-val>-∞</emu-val><sub>𝔽</sub>, throw a <emu-val>RangeError</emu-val> exception.</li><li>Let <var>unit</var> be ?&nbsp;<emu-xref aoid="SingularRelativeTimeUnit" id="_ref_867"><a href="#sec-singularrelativetimeunit">SingularRelativeTimeUnit</a></emu-xref>(<var>unit</var>).</li><li>Let <var>fields</var> be <var>relativeTimeFormat</var>.<var class="field">[[LocaleData]]</var>.</li><li>Let <var>patterns</var> be <var>fields</var>.[[&lt;<var>unit</var>&gt;]].</li><li>Let <var>style</var> be <var>relativeTimeFormat</var>.<var class="field">[[Style]]</var>.</li><li>If <var>style</var> is <emu-val>"short"</emu-val> or <emu-val>"narrow"</emu-val>, then<ol><li>Let <var>key</var> be the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>unit</var>, <emu-val>"-"</emu-val>, and <var>style</var>.</li><li>If <var>fields</var> has a field [[&lt;<var>key</var>&gt;]], set <var>patterns</var> to <var>fields</var>.[[&lt;<var>key</var>&gt;]].</li></ol></li><li>If <var>relativeTimeFormat</var>.<var class="field">[[Numeric]]</var> is <emu-val>"auto"</emu-val>, then<ol><li>Let <var>valueString</var> be !&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>value</var>).</li><li>If <var>patterns</var> has a field [[&lt;<var>valueString</var>&gt;]], then<ol><li>Let <var>result</var> be <var>patterns</var>.[[&lt;<var>valueString</var>&gt;]].</li><li>Return a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> containing the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"literal"</emu-val>, <var class="field">[[Value]]</var>: <var>result</var>, <var class="field">[[Unit]]</var>: <emu-const>empty</emu-const>&nbsp;}.</li></ol></li></ol></li><li>If <var>value</var> is <emu-val>-0</emu-val><sub>𝔽</sub> or <var>value</var> &lt; <emu-val>-0</emu-val><sub>𝔽</sub>, then<ol><li>Let <var>tl</var> be <emu-val>"past"</emu-val>.</li></ol></li><li>Else,<ol><li>Let <var>tl</var> be <emu-val>"future"</emu-val>.</li></ol></li><li>Let <var>po</var> be <var>patterns</var>.[[&lt;<var>tl</var>&gt;]].</li><li>Let <var>fv</var> be <emu-xref aoid="PartitionNumberPattern" id="_ref_868"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>(<var>relativeTimeFormat</var>.<var class="field">[[NumberFormat]]</var>, <emu-xref aoid="ℝ"><a href="https://tc39.es/ecma262/#ℝ">ℝ</a></emu-xref>(<var>value</var>)).</li><li>Let <var>pr</var> be <emu-xref aoid="ResolvePlural" id="_ref_869"><a href="#sec-resolveplural">ResolvePlural</a></emu-xref>(<var>relativeTimeFormat</var>.<var class="field">[[PluralRules]]</var>, <var>value</var>).<var class="field">[[PluralCategory]]</var>.</li><li>Let <var>pattern</var> be <var>po</var>.[[&lt;<var>pr</var>&gt;]].</li><li>Return <emu-xref aoid="MakePartsList" id="_ref_870"><a href="#sec-makepartslist">MakePartsList</a></emu-xref>(<var>pattern</var>, <var>unit</var>, <var>fv</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>If <var>value</var> is <emu-val>NaN</emu-val>, <emu-val>+∞</emu-val><sub>𝔽</sub>, or <emu-val>-∞</emu-val><sub>𝔽</sub>, throw a <emu-val>RangeError</emu-val> exception.</li><li>Let <var>unit</var> be ?&nbsp;<emu-xref aoid="SingularRelativeTimeUnit" id="_ref_864"><a href="#sec-singularrelativetimeunit">SingularRelativeTimeUnit</a></emu-xref>(<var>unit</var>).</li><li>Let <var>fields</var> be <var>relativeTimeFormat</var>.<var class="field">[[LocaleData]]</var>.</li><li>Let <var>patterns</var> be <var>fields</var>.[[&lt;<var>unit</var>&gt;]].</li><li>Let <var>style</var> be <var>relativeTimeFormat</var>.<var class="field">[[Style]]</var>.</li><li>If <var>style</var> is <emu-val>"short"</emu-val> or <emu-val>"narrow"</emu-val>, then<ol><li>Let <var>key</var> be the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>unit</var>, <emu-val>"-"</emu-val>, and <var>style</var>.</li><li>If <var>fields</var> has a field [[&lt;<var>key</var>&gt;]], set <var>patterns</var> to <var>fields</var>.[[&lt;<var>key</var>&gt;]].</li></ol></li><li>If <var>relativeTimeFormat</var>.<var class="field">[[Numeric]]</var> is <emu-val>"auto"</emu-val>, then<ol><li>Let <var>valueString</var> be !&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>value</var>).</li><li>If <var>patterns</var> has a field [[&lt;<var>valueString</var>&gt;]], then<ol><li>Let <var>result</var> be <var>patterns</var>.[[&lt;<var>valueString</var>&gt;]].</li><li>Return a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> containing the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"literal"</emu-val>, <var class="field">[[Value]]</var>: <var>result</var>, <var class="field">[[Unit]]</var>: <emu-const>empty</emu-const>&nbsp;}.</li></ol></li></ol></li><li>If <var>value</var> is <emu-val>-0</emu-val><sub>𝔽</sub> or <var>value</var> &lt; <emu-val>-0</emu-val><sub>𝔽</sub>, then<ol><li>Let <var>tl</var> be <emu-val>"past"</emu-val>.</li></ol></li><li>Else,<ol><li>Let <var>tl</var> be <emu-val>"future"</emu-val>.</li></ol></li><li>Let <var>po</var> be <var>patterns</var>.[[&lt;<var>tl</var>&gt;]].</li><li>Let <var>fv</var> be <emu-xref aoid="PartitionNumberPattern" id="_ref_865"><a href="#sec-partitionnumberpattern">PartitionNumberPattern</a></emu-xref>(<var>relativeTimeFormat</var>.<var class="field">[[NumberFormat]]</var>, <emu-xref aoid="ℝ"><a href="https://tc39.es/ecma262/#ℝ">ℝ</a></emu-xref>(<var>value</var>)).</li><li>Let <var>pr</var> be <emu-xref aoid="ResolvePlural" id="_ref_866"><a href="#sec-resolveplural">ResolvePlural</a></emu-xref>(<var>relativeTimeFormat</var>.<var class="field">[[PluralRules]]</var>, <var>value</var>).<var class="field">[[PluralCategory]]</var>.</li><li>Let <var>pattern</var> be <var>po</var>.[[&lt;<var>pr</var>&gt;]].</li><li>Return <emu-xref aoid="MakePartsList" id="_ref_867"><a href="#sec-makepartslist">MakePartsList</a></emu-xref>(<var>pattern</var>, <var>unit</var>, <var>fv</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-makepartslist" type="abstract operation" aoid="MakePartsList">
       <h1><span class="secnum">17.5.3</span> MakePartsList ( <var>pattern</var>, <var>unit</var>, <var>parts</var> )</h1>
 
-      <p>The abstract operation MakePartsList takes arguments <var>pattern</var> (a <emu-xref href="#sec-pattern-string-types" id="_ref_871"><a href="#sec-pattern-string-types">Pattern String</a></emu-xref>), <var>unit</var> (a String), and <var>parts</var> (a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> representing a formatted Number) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String), <var class="field">[[Value]]</var> (a String), and <var class="field">[[Unit]]</var> (a String or <emu-const>empty</emu-const>). It performs the following steps when called:</p>
+      <p>The abstract operation MakePartsList takes arguments <var>pattern</var> (a <emu-xref href="#sec-pattern-string-types" id="_ref_868"><a href="#sec-pattern-string-types">Pattern String</a></emu-xref>), <var>unit</var> (a String), and <var>parts</var> (a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> representing a formatted Number) and returns a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> with fields <var class="field">[[Type]]</var> (a String), <var class="field">[[Value]]</var> (a String), and <var class="field">[[Unit]]</var> (a String or <emu-const>empty</emu-const>). It performs the following steps when called:</p>
 
-      <emu-alg><ol><li>Let <var>patternParts</var> be <emu-xref aoid="PartitionPattern" id="_ref_872"><a href="#sec-partitionpattern">PartitionPattern</a></emu-xref>(<var>pattern</var>).</li><li>Let <var>result</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>patternPart</var> of <var>patternParts</var>, do<ol><li>If <var>patternPart</var>.<var class="field">[[Type]]</var> is <emu-val>"literal"</emu-val>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"literal"</emu-val>, <var class="field">[[Value]]</var>: <var>patternPart</var>.<var class="field">[[Value]]</var>, <var class="field">[[Unit]]</var>: <emu-const>empty</emu-const>&nbsp;} to <var>result</var>.</li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>patternPart</var>.<var class="field">[[Type]]</var> is <emu-val>"0"</emu-val>.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>part</var> of <var>parts</var>, do<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <var>part</var>.<var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>: <var>part</var>.<var class="field">[[Value]]</var>, <var class="field">[[Unit]]</var>: <var>unit</var>&nbsp;} to <var>result</var>.</li></ol></li></ol></li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>patternParts</var> be <emu-xref aoid="PartitionPattern" id="_ref_869"><a href="#sec-partitionpattern">PartitionPattern</a></emu-xref>(<var>pattern</var>).</li><li>Let <var>result</var> be a new empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>patternPart</var> of <var>patternParts</var>, do<ol><li>If <var>patternPart</var>.<var class="field">[[Type]]</var> is <emu-val>"literal"</emu-val>, then<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"literal"</emu-val>, <var class="field">[[Value]]</var>: <var>patternPart</var>.<var class="field">[[Value]]</var>, <var class="field">[[Unit]]</var>: <emu-const>empty</emu-const>&nbsp;} to <var>result</var>.</li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>patternPart</var>.<var class="field">[[Type]]</var> is <emu-val>"0"</emu-val>.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>&nbsp;} <var>part</var> of <var>parts</var>, do<ol><li>Append the <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <var>part</var>.<var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>: <var>part</var>.<var class="field">[[Value]]</var>, <var class="field">[[Unit]]</var>: <var>unit</var>&nbsp;} to <var>result</var>.</li></ol></li></ol></li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
 
       <emu-note><span class="note">Note</span><div class="note-contents">
         Example:
-        <emu-alg><ol><li>Return <emu-xref aoid="MakePartsList" id="_ref_873"><a href="#sec-makepartslist">MakePartsList</a></emu-xref>(<emu-val>"AA{0}BB"</emu-val>, <emu-val>"hour"</emu-val>, « <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"integer"</emu-val>, <var class="field">[[Value]]</var>: <emu-val>"15"</emu-val>&nbsp;}&nbsp;»).</li></ol></emu-alg>
+        <emu-alg><ol><li>Return <emu-xref aoid="MakePartsList" id="_ref_870"><a href="#sec-makepartslist">MakePartsList</a></emu-xref>(<emu-val>"AA{0}BB"</emu-val>, <emu-val>"hour"</emu-val>, « <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>: <emu-val>"integer"</emu-val>, <var class="field">[[Value]]</var>: <emu-val>"15"</emu-val>&nbsp;}&nbsp;»).</li></ol></emu-alg>
         will return a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> of <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Records</a></emu-xref> like
         <kbd style="font: inherit; white-space: pre-wrap">
           «
@@ -5039,7 +5045,7 @@ <h1><span class="secnum">17.5.4</span> FormatRelativeTime ( <var>relativeTimeFor
 
       <p>The abstract operation FormatRelativeTime takes arguments <var>relativeTimeFormat</var> (an Intl.RelativeTimeFormat), <var>value</var> (a Number), and <var>unit</var> (a String) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> a String or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It performs the following steps when called:</p>
 
-      <emu-alg><ol><li>Let <var>parts</var> be ?&nbsp;<emu-xref aoid="PartitionRelativeTimePattern" id="_ref_874"><a href="#sec-PartitionRelativeTimePattern">PartitionRelativeTimePattern</a></emu-xref>(<var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var>).</li><li>Let <var>result</var> be the empty String.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>, <var class="field">[[Unit]]</var>&nbsp;} <var>part</var> of <var>parts</var>, do<ol><li>Set <var>result</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>result</var> and <var>part</var>.<var class="field">[[Value]]</var>.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>parts</var> be ?&nbsp;<emu-xref aoid="PartitionRelativeTimePattern" id="_ref_871"><a href="#sec-PartitionRelativeTimePattern">PartitionRelativeTimePattern</a></emu-xref>(<var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var>).</li><li>Let <var>result</var> be the empty String.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>, <var class="field">[[Unit]]</var>&nbsp;} <var>part</var> of <var>parts</var>, do<ol><li>Set <var>result</var> to the <emu-xref href="#string-concatenation"><a href="https://tc39.es/ecma262/#string-concatenation">string-concatenation</a></emu-xref> of <var>result</var> and <var>part</var>.<var class="field">[[Value]]</var>.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-FormatRelativeTimeToParts" type="abstract operation" aoid="FormatRelativeTimeToParts">
@@ -5047,7 +5053,7 @@ <h1><span class="secnum">17.5.5</span> FormatRelativeTimeToParts ( <var>relative
 
       <p>The abstract operation FormatRelativeTimeToParts takes arguments <var>relativeTimeFormat</var> (an Intl.RelativeTimeFormat), <var>value</var> (a Number), and <var>unit</var> (a String) and returns either a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">normal completion containing</a></emu-xref> an Array or a <emu-xref href="#sec-completion-record-specification-type"><a href="https://tc39.es/ecma262/#sec-completion-record-specification-type">throw completion</a></emu-xref>. It performs the following steps when called:</p>
 
-      <emu-alg><ol><li>Let <var>parts</var> be ?&nbsp;<emu-xref aoid="PartitionRelativeTimePattern" id="_ref_875"><a href="#sec-PartitionRelativeTimePattern">PartitionRelativeTimePattern</a></emu-xref>(<var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var>).</li><li>Let <var>result</var> be !&nbsp;<emu-xref aoid="ArrayCreate"><a href="https://tc39.es/ecma262/#sec-arraycreate">ArrayCreate</a></emu-xref>(0).</li><li>Let <var>n</var> be 0.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>, <var class="field">[[Unit]]</var>&nbsp;} <var>part</var> of <var>parts</var>, do<ol><li>Let <var>O</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-properties-of-the-object-prototype-object"><a href="https://tc39.es/ecma262/#sec-properties-of-the-object-prototype-object">%Object.prototype%</a></emu-xref>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"type"</emu-val>, <var>part</var>.<var class="field">[[Type]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"value"</emu-val>, <var>part</var>.<var class="field">[[Value]]</var>).</li><li>If <var>part</var>.<var class="field">[[Unit]]</var> is not <emu-const>empty</emu-const>, then<ol><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"unit"</emu-val>, <var>part</var>.<var class="field">[[Unit]]</var>).</li></ol></li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>result</var>, !&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<emu-xref aoid="𝔽"><a href="https://tc39.es/ecma262/#𝔽">𝔽</a></emu-xref>(<var>n</var>)), <var>O</var>).</li><li>Increment <var>n</var> by 1.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>parts</var> be ?&nbsp;<emu-xref aoid="PartitionRelativeTimePattern" id="_ref_872"><a href="#sec-PartitionRelativeTimePattern">PartitionRelativeTimePattern</a></emu-xref>(<var>relativeTimeFormat</var>, <var>value</var>, <var>unit</var>).</li><li>Let <var>result</var> be !&nbsp;<emu-xref aoid="ArrayCreate"><a href="https://tc39.es/ecma262/#sec-arraycreate">ArrayCreate</a></emu-xref>(0).</li><li>Let <var>n</var> be 0.</li><li>For each <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref> { <var class="field">[[Type]]</var>, <var class="field">[[Value]]</var>, <var class="field">[[Unit]]</var>&nbsp;} <var>part</var> of <var>parts</var>, do<ol><li>Let <var>O</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-properties-of-the-object-prototype-object"><a href="https://tc39.es/ecma262/#sec-properties-of-the-object-prototype-object">%Object.prototype%</a></emu-xref>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"type"</emu-val>, <var>part</var>.<var class="field">[[Type]]</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"value"</emu-val>, <var>part</var>.<var class="field">[[Value]]</var>).</li><li>If <var>part</var>.<var class="field">[[Unit]]</var> is not <emu-const>empty</emu-const>, then<ol><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>O</var>, <emu-val>"unit"</emu-val>, <var>part</var>.<var class="field">[[Unit]]</var>).</li></ol></li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>result</var>, !&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<emu-xref aoid="𝔽"><a href="https://tc39.es/ecma262/#𝔽">𝔽</a></emu-xref>(<var>n</var>)), <var>O</var>).</li><li>Increment <var>n</var> by 1.</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 </emu-clause></emu-import>
@@ -5058,7 +5064,7 @@ <h1><span class="secnum">18</span> Segmenter Objects</h1>
     <h1><span class="secnum">18.1</span> The Intl.Segmenter Constructor</h1>
 
     <p>
-      The Segmenter <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> is the <dfn tabindex="-1">%Intl.Segmenter%</dfn> intrinsic object and a standard built-in property of the Intl object. Behaviour common to all <emu-xref href="#service-constructor" id="_ref_876"><a href="#service-constructor">service constructor</a></emu-xref> properties of the Intl object is specified in <emu-xref href="#sec-internal-slots" id="_ref_154"><a href="#sec-internal-slots">9.1</a></emu-xref>.
+      The Segmenter <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> is the <dfn tabindex="-1">%Intl.Segmenter%</dfn> intrinsic object and a standard built-in property of the Intl object. Behaviour common to all <emu-xref href="#service-constructor" id="_ref_873"><a href="#service-constructor">service constructor</a></emu-xref> properties of the Intl object is specified in <emu-xref href="#sec-internal-slots" id="_ref_154"><a href="#sec-internal-slots">9.1</a></emu-xref>.
     </p>
 
     <emu-clause id="sec-intl.segmenter">
@@ -5068,7 +5074,7 @@ <h1><span class="secnum">18.1.1</span> Intl.Segmenter ( [ <var>locales</var> [ ,
         When the <code>Intl.Segmenter</code> function is called with optional arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>If NewTarget is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>internalSlotsList</var> be « <var class="field">[[InitializedSegmenter]]</var>, <var class="field">[[Locale]]</var>, <var class="field">[[SegmenterGranularity]]</var>&nbsp;».</li><li>Let <var>segmenter</var> be ?&nbsp;<emu-xref aoid="OrdinaryCreateFromConstructor"><a href="https://tc39.es/ecma262/#sec-ordinarycreatefromconstructor">OrdinaryCreateFromConstructor</a></emu-xref>(NewTarget, <emu-val>"%Intl.Segmenter.prototype%"</emu-val>, <var>internalSlotsList</var>).</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_877"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Set <var>options</var> to ?&nbsp;<emu-xref aoid="GetOptionsObject" id="_ref_878"><a href="#sec-getoptionsobject">GetOptionsObject</a></emu-xref>(<var>options</var>).</li><li>Let <var>opt</var> be a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>.</li><li>Let <var>matcher</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_879"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"localeMatcher"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"lookup"</emu-val>, <emu-val>"best fit"</emu-val>&nbsp;», <emu-val>"best fit"</emu-val>).</li><li>Set <var>opt</var>.<var class="field">[[localeMatcher]]</var> to <var>matcher</var>.</li><li>Let <var>r</var> be <emu-xref aoid="ResolveLocale" id="_ref_880"><a href="#sec-resolvelocale">ResolveLocale</a></emu-xref>(<emu-xref href="#sec-intl-segmenter-constructor" id="_ref_881"><a href="#sec-intl-segmenter-constructor">%Intl.Segmenter%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>, <var>requestedLocales</var>, <var>opt</var>, <emu-xref href="#sec-intl-segmenter-constructor" id="_ref_882"><a href="#sec-intl-segmenter-constructor">%Intl.Segmenter%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var>, <emu-xref href="#sec-intl-segmenter-constructor" id="_ref_883"><a href="#sec-intl-segmenter-constructor">%Intl.Segmenter%</a></emu-xref>.<var class="field">[[LocaleData]]</var>).</li><li>Set <var>segmenter</var>.<var class="field">[[Locale]]</var> to <var>r</var>.<var class="field">[[Locale]]</var>.</li><li>Let <var>granularity</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_884"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"granularity"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"grapheme"</emu-val>, <emu-val>"word"</emu-val>, <emu-val>"sentence"</emu-val>&nbsp;», <emu-val>"grapheme"</emu-val>).</li><li>Set <var>segmenter</var>.<var class="field">[[SegmenterGranularity]]</var> to <var>granularity</var>.</li><li>Return <var>segmenter</var>.</li></ol></emu-alg>
+      <emu-alg><ol><li>If NewTarget is <emu-val>undefined</emu-val>, throw a <emu-val>TypeError</emu-val> exception.</li><li>Let <var>internalSlotsList</var> be « <var class="field">[[InitializedSegmenter]]</var>, <var class="field">[[Locale]]</var>, <var class="field">[[SegmenterGranularity]]</var>&nbsp;».</li><li>Let <var>segmenter</var> be ?&nbsp;<emu-xref aoid="OrdinaryCreateFromConstructor"><a href="https://tc39.es/ecma262/#sec-ordinarycreatefromconstructor">OrdinaryCreateFromConstructor</a></emu-xref>(NewTarget, <emu-val>"%Intl.Segmenter.prototype%"</emu-val>, <var>internalSlotsList</var>).</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_874"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Set <var>options</var> to ?&nbsp;<emu-xref aoid="GetOptionsObject" id="_ref_875"><a href="#sec-getoptionsobject">GetOptionsObject</a></emu-xref>(<var>options</var>).</li><li>Let <var>opt</var> be a new <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">Record</a></emu-xref>.</li><li>Let <var>matcher</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_876"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"localeMatcher"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"lookup"</emu-val>, <emu-val>"best fit"</emu-val>&nbsp;», <emu-val>"best fit"</emu-val>).</li><li>Set <var>opt</var>.<var class="field">[[localeMatcher]]</var> to <var>matcher</var>.</li><li>Let <var>r</var> be <emu-xref aoid="ResolveLocale" id="_ref_877"><a href="#sec-resolvelocale">ResolveLocale</a></emu-xref>(<emu-xref href="#sec-intl-segmenter-constructor" id="_ref_878"><a href="#sec-intl-segmenter-constructor">%Intl.Segmenter%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>, <var>requestedLocales</var>, <var>opt</var>, <emu-xref href="#sec-intl-segmenter-constructor" id="_ref_879"><a href="#sec-intl-segmenter-constructor">%Intl.Segmenter%</a></emu-xref>.<var class="field">[[RelevantExtensionKeys]]</var>, <emu-xref href="#sec-intl-segmenter-constructor" id="_ref_880"><a href="#sec-intl-segmenter-constructor">%Intl.Segmenter%</a></emu-xref>.<var class="field">[[LocaleData]]</var>).</li><li>Set <var>segmenter</var>.<var class="field">[[Locale]]</var> to <var>r</var>.<var class="field">[[Locale]]</var>.</li><li>Let <var>granularity</var> be ?&nbsp;<emu-xref aoid="GetOption" id="_ref_881"><a href="#sec-getoption">GetOption</a></emu-xref>(<var>options</var>, <emu-val>"granularity"</emu-val>, <emu-const>string</emu-const>, « <emu-val>"grapheme"</emu-val>, <emu-val>"word"</emu-val>, <emu-val>"sentence"</emu-val>&nbsp;», <emu-val>"grapheme"</emu-val>).</li><li>Set <var>segmenter</var>.<var class="field">[[SegmenterGranularity]]</var> to <var>granularity</var>.</li><li>Return <var>segmenter</var>.</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 
@@ -5083,7 +5089,7 @@ <h1><span class="secnum">18.2</span> Properties of the Intl.Segmenter Constructo
       <h1><span class="secnum">18.2.1</span> Intl.Segmenter.prototype</h1>
 
       <p>
-        The value of <code>Intl.Segmenter.prototype</code> is <emu-xref href="#sec-properties-of-intl-segmenter-prototype-object" id="_ref_885"><a href="#sec-properties-of-intl-segmenter-prototype-object">%Intl.Segmenter.prototype%</a></emu-xref>.
+        The value of <code>Intl.Segmenter.prototype</code> is <emu-xref href="#sec-properties-of-intl-segmenter-prototype-object" id="_ref_882"><a href="#sec-properties-of-intl-segmenter-prototype-object">%Intl.Segmenter.prototype%</a></emu-xref>.
       </p>
       <p>
         This property has the attributes { <var class="field">[[Writable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Enumerable]]</var>: <emu-val>false</emu-val>, <var class="field">[[Configurable]]</var>: <emu-val>false</emu-val> }.
@@ -5097,7 +5103,7 @@ <h1><span class="secnum">18.2.2</span> Intl.Segmenter.supportedLocalesOf ( <var>
         When the <code>supportedLocalesOf</code> method is called with arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>availableLocales</var> be <emu-xref href="#sec-intl-segmenter-constructor" id="_ref_886"><a href="#sec-intl-segmenter-constructor">%Intl.Segmenter%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>.</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_887"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FilterLocales" id="_ref_888"><a href="#sec-filterlocales">FilterLocales</a></emu-xref>(<var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>availableLocales</var> be <emu-xref href="#sec-intl-segmenter-constructor" id="_ref_883"><a href="#sec-intl-segmenter-constructor">%Intl.Segmenter%</a></emu-xref>.<var class="field">[[AvailableLocales]]</var>.</li><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_884"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>Return ?&nbsp;<emu-xref aoid="FilterLocales" id="_ref_885"><a href="#sec-filterlocales">FilterLocales</a></emu-xref>(<var>availableLocales</var>, <var>requestedLocales</var>, <var>options</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-intl.segmenter-internal-slots">
@@ -5131,7 +5137,7 @@ <h1><span class="secnum">18.3</span> Properties of the Intl.Segmenter Prototype
       <h1><span class="secnum">18.3.1</span> Intl.Segmenter.prototype.constructor</h1>
 
       <p>
-        The initial value of <code>Intl.Segmenter.prototype.constructor</code> is <emu-xref href="#sec-intl-segmenter-constructor" id="_ref_889"><a href="#sec-intl-segmenter-constructor">%Intl.Segmenter%</a></emu-xref>.
+        The initial value of <code>Intl.Segmenter.prototype.constructor</code> is <emu-xref href="#sec-intl-segmenter-constructor" id="_ref_886"><a href="#sec-intl-segmenter-constructor">%Intl.Segmenter%</a></emu-xref>.
       </p>
     </emu-clause>
 
@@ -5150,10 +5156,10 @@ <h1><span class="secnum">18.3.2</span> Intl.Segmenter.prototype [ %Symbol.toStri
       <h1><span class="secnum">18.3.3</span> Intl.Segmenter.prototype.segment ( <var>string</var> )</h1>
 
       <p>
-        The <code>Intl.Segmenter.prototype.segment</code> method is called on an Intl.Segmenter instance with argument <var>string</var> to create a <emu-xref href="#sec-segments-objects" id="_ref_890"><a href="#sec-segments-objects">Segments instance</a></emu-xref> for the string using the locale and options of the Intl.Segmenter instance. The following steps are taken:
+        The <code>Intl.Segmenter.prototype.segment</code> method is called on an Intl.Segmenter instance with argument <var>string</var> to create a <emu-xref href="#sec-segments-objects" id="_ref_887"><a href="#sec-segments-objects">Segments instance</a></emu-xref> for the string using the locale and options of the Intl.Segmenter instance. The following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>segmenter</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>segmenter</var>, <var class="field">[[InitializedSegmenter]]</var>).</li><li>Let <var>string</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>string</var>).</li><li>Return <emu-xref aoid="CreateSegmentsObject" id="_ref_891"><a href="#sec-createsegmentsobject">CreateSegmentsObject</a></emu-xref>(<var>segmenter</var>, <var>string</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>segmenter</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>segmenter</var>, <var class="field">[[InitializedSegmenter]]</var>).</li><li>Let <var>string</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>string</var>).</li><li>Return <emu-xref aoid="CreateSegmentsObject" id="_ref_888"><a href="#sec-createsegmentsobject">CreateSegmentsObject</a></emu-xref>(<var>segmenter</var>, <var>string</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-intl.segmenter.prototype.resolvedoptions">
@@ -5191,7 +5197,7 @@ <h1><span class="secnum">18.3.4</span> Intl.Segmenter.prototype.resolvedOptions
     <h1><span class="secnum">18.4</span> Properties of Intl.Segmenter Instances</h1>
 
     <p>
-      Intl.Segmenter instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-properties-of-intl-segmenter-prototype-object" id="_ref_892"><a href="#sec-properties-of-intl-segmenter-prototype-object">%Intl.Segmenter.prototype%</a></emu-xref>.
+      Intl.Segmenter instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-properties-of-intl-segmenter-prototype-object" id="_ref_889"><a href="#sec-properties-of-intl-segmenter-prototype-object">%Intl.Segmenter.prototype%</a></emu-xref>.
     </p>
 
     <p>
@@ -5203,7 +5209,7 @@ <h1><span class="secnum">18.4</span> Properties of Intl.Segmenter Instances</h1>
     </p>
 
     <ul>
-      <li><var class="field">[[Locale]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the <emu-xref href="#sec-language-tags" id="_ref_893"><a href="#sec-language-tags">language tag</a></emu-xref> of the locale whose localization is used for segmentation.</li>
+      <li><var class="field">[[Locale]]</var> <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">is a String</a></emu-xref> value with the <emu-xref href="#sec-language-tags" id="_ref_890"><a href="#sec-language-tags">language tag</a></emu-xref> of the locale whose localization is used for segmentation.</li>
       <li><var class="field">[[SegmenterGranularity]]</var> is one of the String values <emu-val>"grapheme"</emu-val>, <emu-val>"word"</emu-val>, or <emu-val>"sentence"</emu-val>, identifying the kind of text element to segment.</li>
     </ul>
   </emu-clause>
@@ -5217,8 +5223,8 @@ <h1><span class="secnum">18.5</span> Segments Objects</h1>
 
     <emu-clause id="sec-createsegmentsobject" type="abstract operation" aoid="CreateSegmentsObject">
       <h1><span class="secnum">18.5.1</span> CreateSegmentsObject ( <var>segmenter</var>, <var>string</var> )</h1>
-      <p>The abstract operation CreateSegmentsObject takes arguments <var>segmenter</var> (an Intl.Segmenter) and <var>string</var> (a String) and returns a <emu-xref href="#sec-segments-objects" id="_ref_894"><a href="#sec-segments-objects">Segments instance</a></emu-xref>. The <emu-xref href="#sec-segments-objects" id="_ref_895"><a href="#sec-segments-objects">Segments instance</a></emu-xref> references <var>segmenter</var> and <var>string</var>. It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>internalSlotsList</var> be « <var class="field">[[SegmentsSegmenter]]</var>, <var class="field">[[SegmentsString]]</var>&nbsp;».</li><li>Let <var>segments</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-%intlsegmentsprototype%-object" id="_ref_896"><a href="#sec-%intlsegmentsprototype%-object">%IntlSegmentsPrototype%</a></emu-xref>, <var>internalSlotsList</var>).</li><li>Set <var>segments</var>.<var class="field">[[SegmentsSegmenter]]</var> to <var>segmenter</var>.</li><li>Set <var>segments</var>.<var class="field">[[SegmentsString]]</var> to <var>string</var>.</li><li>Return <var>segments</var>.</li></ol></emu-alg>
+      <p>The abstract operation CreateSegmentsObject takes arguments <var>segmenter</var> (an Intl.Segmenter) and <var>string</var> (a String) and returns a <emu-xref href="#sec-segments-objects" id="_ref_891"><a href="#sec-segments-objects">Segments instance</a></emu-xref>. The <emu-xref href="#sec-segments-objects" id="_ref_892"><a href="#sec-segments-objects">Segments instance</a></emu-xref> references <var>segmenter</var> and <var>string</var>. It performs the following steps when called:</p>
+      <emu-alg><ol><li>Let <var>internalSlotsList</var> be « <var class="field">[[SegmentsSegmenter]]</var>, <var class="field">[[SegmentsString]]</var>&nbsp;».</li><li>Let <var>segments</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-%intlsegmentsprototype%-object" id="_ref_893"><a href="#sec-%intlsegmentsprototype%-object">%IntlSegmentsPrototype%</a></emu-xref>, <var>internalSlotsList</var>).</li><li>Set <var>segments</var>.<var class="field">[[SegmentsSegmenter]]</var> to <var>segmenter</var>.</li><li>Set <var>segments</var>.<var class="field">[[SegmentsString]]</var> to <var>string</var>.</li><li>Return <var>segments</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-%intlsegmentsprototype%-object" oldids="sec-%segmentsprototype%-object"><span id="sec-%segmentsprototype%-object"></span>
@@ -5232,14 +5238,14 @@ <h1><span class="secnum">18.5.2</span> The %IntlSegmentsPrototype% Object</h1>
 
       <emu-clause id="sec-%intlsegmentsprototype%.containing" oldids="sec-%segmentsprototype%.containing"><span id="sec-%segmentsprototype%.containing"></span>
         <h1><span class="secnum">18.5.2.1</span> %IntlSegmentsPrototype%.containing ( <var>index</var> )</h1>
-        <p>The <code>containing</code> method is called on a <emu-xref href="#sec-segments-objects" id="_ref_897"><a href="#sec-segments-objects">Segments instance</a></emu-xref> with argument <var>index</var> to return a <emu-xref href="#sec-segment-data-objects" id="_ref_898"><a href="#sec-segment-data-objects">Segment Data object</a></emu-xref> describing the segment in the string including the code unit at the specified index according to the locale and options of the <emu-xref href="#sec-segments-objects" id="_ref_899"><a href="#sec-segments-objects">Segments instance</a></emu-xref>'s constructing Intl.Segmenter instance. The following steps are taken:</p>
-        <emu-alg><ol><li>Let <var>segments</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>segments</var>, <var class="field">[[SegmentsSegmenter]]</var>).</li><li>Let <var>segmenter</var> be <var>segments</var>.<var class="field">[[SegmentsSegmenter]]</var>.</li><li>Let <var>string</var> be <var>segments</var>.<var class="field">[[SegmentsString]]</var>.</li><li>Let <var>len</var> be the length of <var>string</var>.</li><li>Let <var>n</var> be ?&nbsp;<emu-xref aoid="ToIntegerOrInfinity"><a href="https://tc39.es/ecma262/#sec-tointegerorinfinity">ToIntegerOrInfinity</a></emu-xref>(<var>index</var>).</li><li>If <var>n</var> &lt; 0 or <var>n</var> ≥ <var>len</var>, return <emu-val>undefined</emu-val>.</li><li>Let <var>startIndex</var> be <emu-xref aoid="FindBoundary" id="_ref_900"><a href="#sec-findboundary">FindBoundary</a></emu-xref>(<var>segmenter</var>, <var>string</var>, <var>n</var>, <emu-const>before</emu-const>).</li><li>Let <var>endIndex</var> be <emu-xref aoid="FindBoundary" id="_ref_901"><a href="#sec-findboundary">FindBoundary</a></emu-xref>(<var>segmenter</var>, <var>string</var>, <var>n</var>, <emu-const>after</emu-const>).</li><li>Return <emu-xref aoid="CreateSegmentDataObject" id="_ref_902"><a href="#sec-createsegmentdataobject">CreateSegmentDataObject</a></emu-xref>(<var>segmenter</var>, <var>string</var>, <var>startIndex</var>, <var>endIndex</var>).</li></ol></emu-alg>
+        <p>The <code>containing</code> method is called on a <emu-xref href="#sec-segments-objects" id="_ref_894"><a href="#sec-segments-objects">Segments instance</a></emu-xref> with argument <var>index</var> to return a <emu-xref href="#sec-segment-data-objects" id="_ref_895"><a href="#sec-segment-data-objects">Segment Data object</a></emu-xref> describing the segment in the string including the code unit at the specified index according to the locale and options of the <emu-xref href="#sec-segments-objects" id="_ref_896"><a href="#sec-segments-objects">Segments instance</a></emu-xref>'s constructing Intl.Segmenter instance. The following steps are taken:</p>
+        <emu-alg><ol><li>Let <var>segments</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>segments</var>, <var class="field">[[SegmentsSegmenter]]</var>).</li><li>Let <var>segmenter</var> be <var>segments</var>.<var class="field">[[SegmentsSegmenter]]</var>.</li><li>Let <var>string</var> be <var>segments</var>.<var class="field">[[SegmentsString]]</var>.</li><li>Let <var>len</var> be the length of <var>string</var>.</li><li>Let <var>n</var> be ?&nbsp;<emu-xref aoid="ToIntegerOrInfinity"><a href="https://tc39.es/ecma262/#sec-tointegerorinfinity">ToIntegerOrInfinity</a></emu-xref>(<var>index</var>).</li><li>If <var>n</var> &lt; 0 or <var>n</var> ≥ <var>len</var>, return <emu-val>undefined</emu-val>.</li><li>Let <var>startIndex</var> be <emu-xref aoid="FindBoundary" id="_ref_897"><a href="#sec-findboundary">FindBoundary</a></emu-xref>(<var>segmenter</var>, <var>string</var>, <var>n</var>, <emu-const>before</emu-const>).</li><li>Let <var>endIndex</var> be <emu-xref aoid="FindBoundary" id="_ref_898"><a href="#sec-findboundary">FindBoundary</a></emu-xref>(<var>segmenter</var>, <var>string</var>, <var>n</var>, <emu-const>after</emu-const>).</li><li>Return <emu-xref aoid="CreateSegmentDataObject" id="_ref_899"><a href="#sec-createsegmentdataobject">CreateSegmentDataObject</a></emu-xref>(<var>segmenter</var>, <var>string</var>, <var>startIndex</var>, <var>endIndex</var>).</li></ol></emu-alg>
       </emu-clause>
 
       <emu-clause id="sec-%intlsegmentsprototype%-%symbol.iterator%" oldids="sec-%intlsegmentsprototype%-@@iterator,sec-%segmentsprototype%-@@iterator"><span id="sec-%segmentsprototype%-@@iterator"></span><span id="sec-%intlsegmentsprototype%-@@iterator"></span>
         <h1><span class="secnum">18.5.2.2</span> %IntlSegmentsPrototype% [ %Symbol.iterator% ] ( )</h1>
-        <p>The <code>%Symbol.iterator%</code> method is called on a <emu-xref href="#sec-segments-objects" id="_ref_903"><a href="#sec-segments-objects">Segments instance</a></emu-xref> to create a <emu-xref href="#sec-segment-iterator-objects" id="_ref_904"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> over its string using the locale and options of its constructing Intl.Segmenter instance. The following steps are taken:</p>
-        <emu-alg><ol><li>Let <var>segments</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>segments</var>, <var class="field">[[SegmentsSegmenter]]</var>).</li><li>Let <var>segmenter</var> be <var>segments</var>.<var class="field">[[SegmentsSegmenter]]</var>.</li><li>Let <var>string</var> be <var>segments</var>.<var class="field">[[SegmentsString]]</var>.</li><li>Return <emu-xref aoid="CreateSegmentIterator" id="_ref_905"><a href="#sec-createsegmentiterator">CreateSegmentIterator</a></emu-xref>(<var>segmenter</var>, <var>string</var>).</li></ol></emu-alg>
+        <p>The <code>%Symbol.iterator%</code> method is called on a <emu-xref href="#sec-segments-objects" id="_ref_900"><a href="#sec-segments-objects">Segments instance</a></emu-xref> to create a <emu-xref href="#sec-segment-iterator-objects" id="_ref_901"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> over its string using the locale and options of its constructing Intl.Segmenter instance. The following steps are taken:</p>
+        <emu-alg><ol><li>Let <var>segments</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>segments</var>, <var class="field">[[SegmentsSegmenter]]</var>).</li><li>Let <var>segmenter</var> be <var>segments</var>.<var class="field">[[SegmentsSegmenter]]</var>.</li><li>Let <var>string</var> be <var>segments</var>.<var class="field">[[SegmentsString]]</var>.</li><li>Return <emu-xref aoid="CreateSegmentIterator" id="_ref_902"><a href="#sec-createsegmentiterator">CreateSegmentIterator</a></emu-xref>(<var>segmenter</var>, <var>string</var>).</li></ol></emu-alg>
       </emu-clause>
     </emu-clause>
 
@@ -5247,7 +5253,7 @@ <h1><span class="secnum">18.5.2.2</span> %IntlSegmentsPrototype% [ %Symbol.itera
       <h1><span class="secnum">18.5.3</span> Properties of Segments Instances</h1>
 
       <p>
-        Segments instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-%intlsegmentsprototype%-object" id="_ref_906"><a href="#sec-%intlsegmentsprototype%-object">%IntlSegmentsPrototype%</a></emu-xref>.
+        Segments instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from <emu-xref href="#sec-%intlsegmentsprototype%-object" id="_ref_903"><a href="#sec-%intlsegmentsprototype%-object">%IntlSegmentsPrototype%</a></emu-xref>.
       </p>
 
       <p>
@@ -5269,15 +5275,15 @@ <h1><span class="secnum">18.6</span> Segment Iterator Objects</h1>
 
     <emu-clause id="sec-createsegmentiterator" type="abstract operation" aoid="CreateSegmentIterator">
       <h1><span class="secnum">18.6.1</span> CreateSegmentIterator ( <var>segmenter</var>, <var>string</var> )</h1>
-      <p>The abstract operation CreateSegmentIterator takes arguments <var>segmenter</var> (an Intl.Segmenter) and <var>string</var> (a String) and returns a <emu-xref href="#sec-segment-iterator-objects" id="_ref_907"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref>. The <emu-xref href="#sec-segment-iterator-objects" id="_ref_908"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> iterates over <var>string</var> using the locale and options of <var>segmenter</var>. It performs the following steps when called:</p>
-      <emu-alg><ol><li>Let <var>internalSlotsList</var> be « <var class="field">[[IteratingSegmenter]]</var>, <var class="field">[[IteratedString]]</var>, <var class="field">[[IteratedStringNextSegmentCodeUnitIndex]]</var>&nbsp;».</li><li>Let <var>iterator</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-%intlsegmentiteratorprototype%-object" id="_ref_909"><a href="#sec-%intlsegmentiteratorprototype%-object">%IntlSegmentIteratorPrototype%</a></emu-xref>, <var>internalSlotsList</var>).</li><li>Set <var>iterator</var>.<var class="field">[[IteratingSegmenter]]</var> to <var>segmenter</var>.</li><li>Set <var>iterator</var>.<var class="field">[[IteratedString]]</var> to <var>string</var>.</li><li>Set <var>iterator</var>.<var class="field">[[IteratedStringNextSegmentCodeUnitIndex]]</var> to 0.</li><li>Return <var>iterator</var>.</li></ol></emu-alg>
+      <p>The abstract operation CreateSegmentIterator takes arguments <var>segmenter</var> (an Intl.Segmenter) and <var>string</var> (a String) and returns a <emu-xref href="#sec-segment-iterator-objects" id="_ref_904"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref>. The <emu-xref href="#sec-segment-iterator-objects" id="_ref_905"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> iterates over <var>string</var> using the locale and options of <var>segmenter</var>. It performs the following steps when called:</p>
+      <emu-alg><ol><li>Let <var>internalSlotsList</var> be « <var class="field">[[IteratingSegmenter]]</var>, <var class="field">[[IteratedString]]</var>, <var class="field">[[IteratedStringNextSegmentCodeUnitIndex]]</var>&nbsp;».</li><li>Let <var>iterator</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-%intlsegmentiteratorprototype%-object" id="_ref_906"><a href="#sec-%intlsegmentiteratorprototype%-object">%IntlSegmentIteratorPrototype%</a></emu-xref>, <var>internalSlotsList</var>).</li><li>Set <var>iterator</var>.<var class="field">[[IteratingSegmenter]]</var> to <var>segmenter</var>.</li><li>Set <var>iterator</var>.<var class="field">[[IteratedString]]</var> to <var>string</var>.</li><li>Set <var>iterator</var>.<var class="field">[[IteratedStringNextSegmentCodeUnitIndex]]</var> to 0.</li><li>Return <var>iterator</var>.</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sec-%intlsegmentiteratorprototype%-object" oldids="sec-%segmentiteratorprototype%-object"><span id="sec-%segmentiteratorprototype%-object"></span>
       <h1><span class="secnum">18.6.2</span> The %IntlSegmentIteratorPrototype% Object</h1>
       <p>The <dfn tabindex="-1">%IntlSegmentIteratorPrototype%</dfn> object:</p>
       <ul>
-        <li>is the prototype of all <emu-xref href="#sec-segment-iterator-objects" id="_ref_910"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> objects.</li>
+        <li>is the prototype of all <emu-xref href="#sec-segment-iterator-objects" id="_ref_907"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> objects.</li>
         <li>is an <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary object</a></emu-xref>.</li>
         <li>has a <var class="field">[[Prototype]]</var> internal slot whose value is the intrinsic object %Iterator.prototype%.</li>
         <li>has the following properties:</li>
@@ -5285,8 +5291,8 @@ <h1><span class="secnum">18.6.2</span> The %IntlSegmentIteratorPrototype% Object
 
       <emu-clause id="sec-%intlsegmentiteratorprototype%.next" oldids="sec-%segmentiteratorprototype%.next"><span id="sec-%segmentiteratorprototype%.next"></span>
         <h1><span class="secnum">18.6.2.1</span> %IntlSegmentIteratorPrototype%.next ( )</h1>
-        <p>The <code>next</code> method is called on a <emu-xref href="#sec-segment-iterator-objects" id="_ref_911"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> instance to advance it forward one segment and return an <i>IteratorResult</i> object either describing the new segment or declaring iteration done. The following steps are taken:</p>
-        <emu-alg><ol><li>Let <var>iterator</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>iterator</var>, <var class="field">[[IteratingSegmenter]]</var>).</li><li>Let <var>segmenter</var> be <var>iterator</var>.<var class="field">[[IteratingSegmenter]]</var>.</li><li>Let <var>string</var> be <var>iterator</var>.<var class="field">[[IteratedString]]</var>.</li><li>Let <var>startIndex</var> be <var>iterator</var>.<var class="field">[[IteratedStringNextSegmentCodeUnitIndex]]</var>.</li><li>Let <var>len</var> be the length of <var>string</var>.</li><li>If <var>startIndex</var> ≥ <var>len</var>, then<ol><li>Return <emu-xref aoid="CreateIterResultObject"><a href="https://tc39.es/ecma262/#sec-createiterresultobject">CreateIterResultObject</a></emu-xref>(<emu-val>undefined</emu-val>, <emu-val>true</emu-val>).</li></ol></li><li>Let <var>endIndex</var> be <emu-xref aoid="FindBoundary" id="_ref_912"><a href="#sec-findboundary">FindBoundary</a></emu-xref>(<var>segmenter</var>, <var>string</var>, <var>startIndex</var>, <emu-const>after</emu-const>).</li><li>Set <var>iterator</var>.<var class="field">[[IteratedStringNextSegmentCodeUnitIndex]]</var> to <var>endIndex</var>.</li><li>Let <var>segmentData</var> be <emu-xref aoid="CreateSegmentDataObject" id="_ref_913"><a href="#sec-createsegmentdataobject">CreateSegmentDataObject</a></emu-xref>(<var>segmenter</var>, <var>string</var>, <var>startIndex</var>, <var>endIndex</var>).</li><li>Return <emu-xref aoid="CreateIterResultObject"><a href="https://tc39.es/ecma262/#sec-createiterresultobject">CreateIterResultObject</a></emu-xref>(<var>segmentData</var>, <emu-val>false</emu-val>).</li></ol></emu-alg>
+        <p>The <code>next</code> method is called on a <emu-xref href="#sec-segment-iterator-objects" id="_ref_908"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> instance to advance it forward one segment and return an <i>IteratorResult</i> object either describing the new segment or declaring iteration done. The following steps are taken:</p>
+        <emu-alg><ol><li>Let <var>iterator</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>iterator</var>, <var class="field">[[IteratingSegmenter]]</var>).</li><li>Let <var>segmenter</var> be <var>iterator</var>.<var class="field">[[IteratingSegmenter]]</var>.</li><li>Let <var>string</var> be <var>iterator</var>.<var class="field">[[IteratedString]]</var>.</li><li>Let <var>startIndex</var> be <var>iterator</var>.<var class="field">[[IteratedStringNextSegmentCodeUnitIndex]]</var>.</li><li>Let <var>len</var> be the length of <var>string</var>.</li><li>If <var>startIndex</var> ≥ <var>len</var>, then<ol><li>Return <emu-xref aoid="CreateIterResultObject"><a href="https://tc39.es/ecma262/#sec-createiterresultobject">CreateIterResultObject</a></emu-xref>(<emu-val>undefined</emu-val>, <emu-val>true</emu-val>).</li></ol></li><li>Let <var>endIndex</var> be <emu-xref aoid="FindBoundary" id="_ref_909"><a href="#sec-findboundary">FindBoundary</a></emu-xref>(<var>segmenter</var>, <var>string</var>, <var>startIndex</var>, <emu-const>after</emu-const>).</li><li>Set <var>iterator</var>.<var class="field">[[IteratedStringNextSegmentCodeUnitIndex]]</var> to <var>endIndex</var>.</li><li>Let <var>segmentData</var> be <emu-xref aoid="CreateSegmentDataObject" id="_ref_910"><a href="#sec-createsegmentdataobject">CreateSegmentDataObject</a></emu-xref>(<var>segmenter</var>, <var>string</var>, <var>startIndex</var>, <var>endIndex</var>).</li><li>Return <emu-xref aoid="CreateIterResultObject"><a href="https://tc39.es/ecma262/#sec-createiterresultobject">CreateIterResultObject</a></emu-xref>(<var>segmentData</var>, <emu-val>false</emu-val>).</li></ol></emu-alg>
       </emu-clause>
 
       <emu-clause id="sec-%intlsegmentiteratorprototype%.%symbol.tostringtag%" oldids="sec-%intlsegmentiteratorprototype%.@@tostringtag,sec-%segmentiteratorprototype%.@@tostringtag"><span id="sec-%segmentiteratorprototype%.@@tostringtag"></span><span id="sec-%intlsegmentiteratorprototype%.@@tostringtag"></span>
@@ -5303,8 +5309,8 @@ <h1><span class="secnum">18.6.2.2</span> %IntlSegmentIteratorPrototype% [ %Symbo
 
     <emu-clause id="sec-properties-of-segment-iterator-instances">
       <h1><span class="secnum">18.6.3</span> Properties of Segment Iterator Instances</h1>
-      <p><emu-xref href="#sec-segment-iterator-objects" id="_ref_914"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from %SegmentIteratorPrototype%. <emu-xref href="#sec-segment-iterator-objects" id="_ref_915"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> instances are initially created with the internal slots described in <emu-xref href="#table-segment-iterator-instance-slots" id="_ref_158"><a href="#table-segment-iterator-instance-slots">Table 29</a></emu-xref>.</p>
-      <emu-table id="table-segment-iterator-instance-slots"><figure><figcaption>Table 29: Internal Slots of <emu-xref href="#sec-segment-iterator-objects" id="_ref_916"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> Instances</figcaption>
+      <p><emu-xref href="#sec-segment-iterator-objects" id="_ref_911"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> instances are <emu-xref href="#ordinary-object"><a href="https://tc39.es/ecma262/#ordinary-object">ordinary objects</a></emu-xref> that inherit properties from %SegmentIteratorPrototype%. <emu-xref href="#sec-segment-iterator-objects" id="_ref_912"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> instances are initially created with the internal slots described in <emu-xref href="#table-segment-iterator-instance-slots" id="_ref_158"><a href="#table-segment-iterator-instance-slots">Table 29</a></emu-xref>.</p>
+      <emu-table id="table-segment-iterator-instance-slots"><figure><figcaption>Table 29: Internal Slots of <emu-xref href="#sec-segment-iterator-objects" id="_ref_913"><a href="#sec-segment-iterator-objects">Segment Iterator</a></emu-xref> Instances</figcaption>
         
         <table class="real-table">
           <thead>
@@ -5341,7 +5347,7 @@ <h1><span class="secnum">18.7</span> Segment Data Objects</h1>
 
     <emu-clause id="sec-createsegmentdataobject" type="abstract operation" aoid="CreateSegmentDataObject">
       <h1><span class="secnum">18.7.1</span> CreateSegmentDataObject ( <var>segmenter</var>, <var>string</var>, <var>startIndex</var>, <var>endIndex</var> )</h1>
-      <p>The abstract operation CreateSegmentDataObject takes arguments <var>segmenter</var> (an Intl.Segmenter), <var>string</var> (a String), <var>startIndex</var> (a non-negative <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>), and <var>endIndex</var> (a non-negative <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>) and returns a <emu-xref href="#sec-segment-data-objects" id="_ref_917"><a href="#sec-segment-data-objects">Segment Data object</a></emu-xref>. The <emu-xref href="#sec-segment-data-objects" id="_ref_918"><a href="#sec-segment-data-objects">Segment Data object</a></emu-xref> describes the segment within <var>string</var> from <var>segmenter</var> that is bounded by the indices <var>startIndex</var> and <var>endIndex</var>. It performs the following steps when called:</p>
+      <p>The abstract operation CreateSegmentDataObject takes arguments <var>segmenter</var> (an Intl.Segmenter), <var>string</var> (a String), <var>startIndex</var> (a non-negative <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>), and <var>endIndex</var> (a non-negative <emu-xref href="#integer"><a href="https://tc39.es/ecma262/#integer">integer</a></emu-xref>) and returns a <emu-xref href="#sec-segment-data-objects" id="_ref_914"><a href="#sec-segment-data-objects">Segment Data object</a></emu-xref>. The <emu-xref href="#sec-segment-data-objects" id="_ref_915"><a href="#sec-segment-data-objects">Segment Data object</a></emu-xref> describes the segment within <var>string</var> from <var>segmenter</var> that is bounded by the indices <var>startIndex</var> and <var>endIndex</var>. It performs the following steps when called:</p>
       <emu-alg><ol><li>Let <var>len</var> be the length of <var>string</var>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>endIndex</var> ≤ <var>len</var>.</li><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>startIndex</var> &lt; <var>endIndex</var>.</li><li>Let <var>result</var> be <emu-xref aoid="OrdinaryObjectCreate"><a href="https://tc39.es/ecma262/#sec-ordinaryobjectcreate">OrdinaryObjectCreate</a></emu-xref>(<emu-xref href="#sec-properties-of-the-object-prototype-object"><a href="https://tc39.es/ecma262/#sec-properties-of-the-object-prototype-object">%Object.prototype%</a></emu-xref>).</li><li>Let <var>segment</var> be the <emu-xref href="#substring"><a href="https://tc39.es/ecma262/#substring">substring</a></emu-xref> of <var>string</var> from <var>startIndex</var> to <var>endIndex</var>.</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>result</var>, <emu-val>"segment"</emu-val>, <var>segment</var>).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>result</var>, <emu-val>"index"</emu-val>, <emu-xref aoid="𝔽"><a href="https://tc39.es/ecma262/#𝔽">𝔽</a></emu-xref>(<var>startIndex</var>)).</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>result</var>, <emu-val>"input"</emu-val>, <var>string</var>).</li><li>Let <var>granularity</var> be <var>segmenter</var>.<var class="field">[[SegmenterGranularity]]</var>.</li><li>If <var>granularity</var> is <code>"word"</code>, then<ol><li>Let <var>isWordLike</var> be a Boolean value indicating whether the <var>segment</var> in <var>string</var> is "word-like" according to locale <var>segmenter</var>.<var class="field">[[Locale]]</var>.</li><li>Perform !&nbsp;<emu-xref aoid="CreateDataPropertyOrThrow"><a href="https://tc39.es/ecma262/#sec-createdatapropertyorthrow">CreateDataPropertyOrThrow</a></emu-xref>(<var>result</var>, <emu-val>"isWordLike"</emu-val>, <var>isWordLike</var>).</li></ol></li><li>Return <var>result</var>.</li></ol></emu-alg>
       <emu-note><span class="note">Note</span><div class="note-contents">Whether a segment is "word-like" is implementation-dependent, and implementations are recommended to use locale-sensitive tailorings. In general, segments consisting solely of spaces and/or punctuation (such as those terminated with "WORD_NONE" boundaries by ICU [International Components for Unicode, documented at <a href="https://unicode-org.github.io/icu-docs/">https://unicode-org.github.io/icu-docs/</a>]) are not considered to be "word-like".</div></emu-note>
     </emu-clause>
@@ -5384,7 +5390,7 @@ <h1><span class="secnum">19.1.1</span> String.prototype.localeCompare ( <var>tha
         When the <code>localeCompare</code> method is called with argument <var>that</var> and optional arguments <var>locales</var>, and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>O</var> be ?&nbsp;<emu-xref aoid="RequireObjectCoercible"><a href="https://tc39.es/ecma262/#sec-requireobjectcoercible">RequireObjectCoercible</a></emu-xref>(<emu-val>this</emu-val> value).</li><li>Let <var>S</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>O</var>).</li><li>Let <var>thatValue</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>that</var>).</li><li>Let <var>collator</var> be ?&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-the-intl-collator-constructor" id="_ref_919"><a href="#sec-the-intl-collator-constructor">%Intl.Collator%</a></emu-xref>, « <var>locales</var>, <var>options</var>&nbsp;»).</li><li>Return <emu-xref aoid="CompareStrings" id="_ref_920"><a href="#sec-collator-comparestrings">CompareStrings</a></emu-xref>(<var>collator</var>, <var>S</var>, <var>thatValue</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>O</var> be ?&nbsp;<emu-xref aoid="RequireObjectCoercible"><a href="https://tc39.es/ecma262/#sec-requireobjectcoercible">RequireObjectCoercible</a></emu-xref>(<emu-val>this</emu-val> value).</li><li>Let <var>S</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>O</var>).</li><li>Let <var>thatValue</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>that</var>).</li><li>Let <var>collator</var> be ?&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-the-intl-collator-constructor" id="_ref_916"><a href="#sec-the-intl-collator-constructor">%Intl.Collator%</a></emu-xref>, « <var>locales</var>, <var>options</var>&nbsp;»).</li><li>Return <emu-xref aoid="CompareStrings" id="_ref_917"><a href="#sec-collator-comparestrings">CompareStrings</a></emu-xref>(<var>collator</var>, <var>S</var>, <var>thatValue</var>).</li></ol></emu-alg>
 
       <p>
         The <emu-val>"length"</emu-val> property of this function is <emu-val>1</emu-val><sub>𝔽</sub>.
@@ -5410,7 +5416,7 @@ <h1><span class="secnum">19.1.2</span> String.prototype.toLocaleLowerCase ( [ <v
         This function interprets a String value as a sequence of code points, as described in es2024, <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">6.1.4</a></emu-xref>. The following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>O</var> be ?&nbsp;<emu-xref aoid="RequireObjectCoercible"><a href="https://tc39.es/ecma262/#sec-requireobjectcoercible">RequireObjectCoercible</a></emu-xref>(<emu-val>this</emu-val> value).</li><li>Let <var>S</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>O</var>).</li><li>Return ?&nbsp;<emu-xref aoid="TransformCase" id="_ref_921"><a href="#sec-transform-case">TransformCase</a></emu-xref>(<var>S</var>, <var>locales</var>, <emu-const>lower</emu-const>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>O</var> be ?&nbsp;<emu-xref aoid="RequireObjectCoercible"><a href="https://tc39.es/ecma262/#sec-requireobjectcoercible">RequireObjectCoercible</a></emu-xref>(<emu-val>this</emu-val> value).</li><li>Let <var>S</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>O</var>).</li><li>Return ?&nbsp;<emu-xref aoid="TransformCase" id="_ref_918"><a href="#sec-transform-case">TransformCase</a></emu-xref>(<var>S</var>, <var>locales</var>, <emu-const>lower</emu-const>).</li></ol></emu-alg>
 
       <emu-note><span class="note">Note</span><div class="note-contents">
         The <code>toLocaleLowerCase</code> function is intentionally generic; it does not require that its <emu-val>this</emu-val> value be a String object. Therefore, it can be transferred to other kinds of objects for use as a method.
@@ -5419,7 +5425,7 @@ <h1><span class="secnum">19.1.2</span> String.prototype.toLocaleLowerCase ( [ <v
       <emu-clause id="sec-transform-case" type="abstract operation" aoid="TransformCase">
         <h1><span class="secnum">19.1.2.1</span> TransformCase ( <var>S</var>, <var>locales</var>, <var>targetCase</var> )</h1>
         <p>The abstract operation TransformCase takes arguments <var>S</var> (a String), <var>locales</var> (an <emu-xref href="#sec-ecmascript-language-types"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types">ECMAScript language value</a></emu-xref>), and <var>targetCase</var> (<emu-const>lower</emu-const> or <emu-const>upper</emu-const>). It interprets <var>S</var> as a sequence of UTF-16 encoded code points, as described in es2024, <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">6.1.4</a></emu-xref>, and returns the result of implementation- and locale-dependent (ILD) transformation into <var>targetCase</var> as a new String value. It performs the following steps when called:</p>
-        <emu-alg><ol><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_922"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>If <var>requestedLocales</var> is not an empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>, then<ol><li>Let <var>requestedLocale</var> be <var>requestedLocales</var>[0].</li></ol></li><li>Else,<ol><li>Let <var>requestedLocale</var> be <emu-xref aoid="DefaultLocale" id="_ref_923"><a href="#sec-defaultlocale">DefaultLocale</a></emu-xref>().</li></ol></li><li>Let <var>availableLocales</var> be an <emu-xref href="#available-locales-list" id="_ref_924"><a href="#available-locales-list">Available Locales List</a></emu-xref> which includes the <emu-xref href="#sec-language-tags" id="_ref_925"><a href="#sec-language-tags">language tags</a></emu-xref> for which the Unicode Character Database contains language-sensitive case mappings. If the implementation supports additional locale-sensitive case mappings, <var>availableLocales</var> should also include their corresponding <emu-xref href="#sec-language-tags" id="_ref_926"><a href="#sec-language-tags">language tags</a></emu-xref>.</li><li>Let <var>match</var> be <emu-xref aoid="LookupMatchingLocaleByPrefix" id="_ref_927"><a href="#sec-lookupmatchinglocalebyprefix">LookupMatchingLocaleByPrefix</a></emu-xref>(<var>availableLocales</var>, « <var>requestedLocale</var>&nbsp;»).</li><li>If <var>match</var> is not <emu-val>undefined</emu-val>, let <var>locale</var> be <var>match</var>.<var class="field">[[locale]]</var>; else let <var>locale</var> be <emu-val>"und"</emu-val>.</li><li>Let <var>codePoints</var> be <emu-xref aoid="StringToCodePoints"><a href="https://tc39.es/ecma262/#sec-stringtocodepoints">StringToCodePoints</a></emu-xref>(<var>S</var>).</li><li>If <var>targetCase</var> is <emu-const>lower</emu-const>, then<ol><li>Let <var>newCodePoints</var> be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> whose elements are the result of a lowercase transformation of <var>codePoints</var> according to an implementation-derived algorithm using <var>locale</var> or the Unicode Default Case Conversion algorithm.</li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>targetCase</var> is <emu-const>upper</emu-const>.</li><li>Let <var>newCodePoints</var> be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> whose elements are the result of an uppercase transformation of <var>codePoints</var> according to an implementation-derived algorithm using <var>locale</var> or the Unicode Default Case Conversion algorithm.</li></ol></li><li>Return <emu-xref aoid="CodePointsToString"><a href="https://tc39.es/ecma262/#sec-codepointstostring">CodePointsToString</a></emu-xref>(<var>newCodePoints</var>).</li></ol></emu-alg>
+        <emu-alg><ol><li>Let <var>requestedLocales</var> be ?&nbsp;<emu-xref aoid="CanonicalizeLocaleList" id="_ref_919"><a href="#sec-canonicalizelocalelist">CanonicalizeLocaleList</a></emu-xref>(<var>locales</var>).</li><li>If <var>requestedLocales</var> is not an empty <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref>, then<ol><li>Let <var>requestedLocale</var> be <var>requestedLocales</var>[0].</li></ol></li><li>Else,<ol><li>Let <var>requestedLocale</var> be <emu-xref aoid="DefaultLocale" id="_ref_920"><a href="#sec-defaultlocale">DefaultLocale</a></emu-xref>().</li></ol></li><li>Let <var>availableLocales</var> be an <emu-xref href="#available-locales-list" id="_ref_921"><a href="#available-locales-list">Available Locales List</a></emu-xref> which includes the <emu-xref href="#sec-language-tags" id="_ref_922"><a href="#sec-language-tags">language tags</a></emu-xref> for which the Unicode Character Database contains language-sensitive case mappings. If the implementation supports additional locale-sensitive case mappings, <var>availableLocales</var> should also include their corresponding <emu-xref href="#sec-language-tags" id="_ref_923"><a href="#sec-language-tags">language tags</a></emu-xref>.</li><li>Let <var>match</var> be <emu-xref aoid="LookupMatchingLocaleByPrefix" id="_ref_924"><a href="#sec-lookupmatchinglocalebyprefix">LookupMatchingLocaleByPrefix</a></emu-xref>(<var>availableLocales</var>, « <var>requestedLocale</var>&nbsp;»).</li><li>If <var>match</var> is not <emu-val>undefined</emu-val>, let <var>locale</var> be <var>match</var>.<var class="field">[[locale]]</var>; else let <var>locale</var> be <emu-val>"und"</emu-val>.</li><li>Let <var>codePoints</var> be <emu-xref aoid="StringToCodePoints"><a href="https://tc39.es/ecma262/#sec-stringtocodepoints">StringToCodePoints</a></emu-xref>(<var>S</var>).</li><li>If <var>targetCase</var> is <emu-const>lower</emu-const>, then<ol><li>Let <var>newCodePoints</var> be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> whose elements are the result of a lowercase transformation of <var>codePoints</var> according to an implementation-derived algorithm using <var>locale</var> or the Unicode Default Case Conversion algorithm.</li></ol></li><li>Else,<ol><li><emu-xref href="#assert"><a href="https://tc39.es/ecma262/#assert">Assert</a></emu-xref>: <var>targetCase</var> is <emu-const>upper</emu-const>.</li><li>Let <var>newCodePoints</var> be a <emu-xref href="#sec-list-and-record-specification-type"><a href="https://tc39.es/ecma262/#sec-list-and-record-specification-type">List</a></emu-xref> whose elements are the result of an uppercase transformation of <var>codePoints</var> according to an implementation-derived algorithm using <var>locale</var> or the Unicode Default Case Conversion algorithm.</li></ol></li><li>Return <emu-xref aoid="CodePointsToString"><a href="https://tc39.es/ecma262/#sec-codepointstostring">CodePointsToString</a></emu-xref>(<var>newCodePoints</var>).</li></ol></emu-alg>
 
         <p>
           Code point mappings may be derived according to a tailored version of the Default Case Conversion Algorithms of the Unicode Standard. Implementations may use locale-sensitive tailoring defined in the file <a href="https://unicode.org/Public/UCD/latest/ucd/SpecialCasing.txt" data-print-href=""><code>SpecialCasing.txt</code></a> of the Unicode Character Database and/or CLDR and/or any other custom tailoring. Regardless of tailoring, a conforming implementation's case transformation algorithm must always yield the same result given the same input code points, locale, and target case.
@@ -5442,7 +5448,7 @@ <h1><span class="secnum">19.1.3</span> String.prototype.toLocaleUpperCase ( [ <v
         This function interprets a String value as a sequence of code points, as described in es2024, <emu-xref href="#sec-ecmascript-language-types-string-type"><a href="https://tc39.es/ecma262/#sec-ecmascript-language-types-string-type">6.1.4</a></emu-xref>. The following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>O</var> be ?&nbsp;<emu-xref aoid="RequireObjectCoercible"><a href="https://tc39.es/ecma262/#sec-requireobjectcoercible">RequireObjectCoercible</a></emu-xref>(<emu-val>this</emu-val> value).</li><li>Let <var>S</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>O</var>).</li><li>Return ?&nbsp;<emu-xref aoid="TransformCase" id="_ref_928"><a href="#sec-transform-case">TransformCase</a></emu-xref>(<var>S</var>, <var>locales</var>, <emu-const>upper</emu-const>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>O</var> be ?&nbsp;<emu-xref aoid="RequireObjectCoercible"><a href="https://tc39.es/ecma262/#sec-requireobjectcoercible">RequireObjectCoercible</a></emu-xref>(<emu-val>this</emu-val> value).</li><li>Let <var>S</var> be ?&nbsp;<emu-xref aoid="ToString"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>O</var>).</li><li>Return ?&nbsp;<emu-xref aoid="TransformCase" id="_ref_925"><a href="#sec-transform-case">TransformCase</a></emu-xref>(<var>S</var>, <var>locales</var>, <emu-const>upper</emu-const>).</li></ol></emu-alg>
 
       <emu-note><span class="note">Note</span><div class="note-contents">
         The <code>toLocaleUpperCase</code> function is intentionally generic; it does not require that its <emu-val>this</emu-val> value be a String object. Therefore, it can be transferred to other kinds of objects for use as a method.
@@ -5468,7 +5474,7 @@ <h1><span class="secnum">19.2.1</span> Number.prototype.toLocaleString ( [ <var>
         When the <code>toLocaleString</code> method is called with optional arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ThisNumberValue"><a href="https://tc39.es/ecma262/#sec-thisnumbervalue">ThisNumberValue</a></emu-xref>(<emu-val>this</emu-val> value).</li><li>Let <var>numberFormat</var> be ?&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_929"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>, « <var>locales</var>, <var>options</var>&nbsp;»).</li><li>Return <emu-xref aoid="FormatNumeric" id="_ref_930"><a href="#sec-formatnumber">FormatNumeric</a></emu-xref>(<var>numberFormat</var>, !&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_931"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>x</var>)).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ThisNumberValue"><a href="https://tc39.es/ecma262/#sec-thisnumbervalue">ThisNumberValue</a></emu-xref>(<emu-val>this</emu-val> value).</li><li>Let <var>numberFormat</var> be ?&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_926"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>, « <var>locales</var>, <var>options</var>&nbsp;»).</li><li>Return <emu-xref aoid="FormatNumeric" id="_ref_927"><a href="#sec-formatnumber">FormatNumeric</a></emu-xref>(<var>numberFormat</var>, !&nbsp;<emu-xref aoid="ToIntlMathematicalValue" id="_ref_928"><a href="#sec-tointlmathematicalvalue">ToIntlMathematicalValue</a></emu-xref>(<var>x</var>)).</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 
@@ -5490,7 +5496,7 @@ <h1><span class="secnum">19.3.1</span> BigInt.prototype.toLocaleString ( [ <var>
         When the <code>toLocaleString</code> method is called with optional arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ThisBigIntValue"><a href="https://tc39.es/ecma262/#sec-thisbigintvalue">ThisBigIntValue</a></emu-xref>(<emu-val>this</emu-val> value).</li><li>Let <var>numberFormat</var> be ?&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_932"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>, « <var>locales</var>, <var>options</var>&nbsp;»).</li><li>Return <emu-xref aoid="FormatNumeric" id="_ref_933"><a href="#sec-formatnumber">FormatNumeric</a></emu-xref>(<var>numberFormat</var>, <emu-xref aoid="ℝ"><a href="https://tc39.es/ecma262/#ℝ">ℝ</a></emu-xref>(<var>x</var>)).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>x</var> be ?&nbsp;<emu-xref aoid="ThisBigIntValue"><a href="https://tc39.es/ecma262/#sec-thisbigintvalue">ThisBigIntValue</a></emu-xref>(<emu-val>this</emu-val> value).</li><li>Let <var>numberFormat</var> be ?&nbsp;<emu-xref aoid="Construct"><a href="https://tc39.es/ecma262/#sec-construct">Construct</a></emu-xref>(<emu-xref href="#sec-intl-numberformat-constructor" id="_ref_929"><a href="#sec-intl-numberformat-constructor">%Intl.NumberFormat%</a></emu-xref>, « <var>locales</var>, <var>options</var>&nbsp;»).</li><li>Return <emu-xref aoid="FormatNumeric" id="_ref_930"><a href="#sec-formatnumber">FormatNumeric</a></emu-xref>(<var>numberFormat</var>, <emu-xref aoid="ℝ"><a href="https://tc39.es/ecma262/#ℝ">ℝ</a></emu-xref>(<var>x</var>)).</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 
@@ -5512,7 +5518,7 @@ <h1><span class="secnum">19.4.1</span> Date.prototype.toLocaleString ( [ <var>lo
         When the <code>toLocaleString</code> method is called with optional arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>dateObject</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>dateObject</var>, <var class="field">[[DateValue]]</var>).</li><li>Let <var>x</var> be <var>dateObject</var>.<var class="field">[[DateValue]]</var>.</li><li>If <var>x</var> is <emu-val>NaN</emu-val>, return <emu-val>"Invalid Date"</emu-val>.</li><li>Let <var>dateFormat</var> be ?&nbsp;<emu-xref aoid="CreateDateTimeFormat" id="_ref_934"><a href="#sec-createdatetimeformat">CreateDateTimeFormat</a></emu-xref>(<emu-xref href="#sec-intl-datetimeformat-constructor" id="_ref_935"><a href="#sec-intl-datetimeformat-constructor">%Intl.DateTimeFormat%</a></emu-xref>, <var>locales</var>, <var>options</var>, <emu-const>any</emu-const>, <emu-const>all</emu-const>).</li><li>Return !&nbsp;<emu-xref aoid="FormatDateTime" id="_ref_936"><a href="#sec-formatdatetime">FormatDateTime</a></emu-xref>(<var>dateFormat</var>, <var>x</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>dateObject</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>dateObject</var>, <var class="field">[[DateValue]]</var>).</li><li>Let <var>x</var> be <var>dateObject</var>.<var class="field">[[DateValue]]</var>.</li><li>If <var>x</var> is <emu-val>NaN</emu-val>, return <emu-val>"Invalid Date"</emu-val>.</li><li>Let <var>dateFormat</var> be ?&nbsp;<emu-xref aoid="CreateDateTimeFormat" id="_ref_931"><a href="#sec-createdatetimeformat">CreateDateTimeFormat</a></emu-xref>(<emu-xref href="#sec-intl-datetimeformat-constructor" id="_ref_932"><a href="#sec-intl-datetimeformat-constructor">%Intl.DateTimeFormat%</a></emu-xref>, <var>locales</var>, <var>options</var>, <emu-const>any</emu-const>, <emu-const>all</emu-const>).</li><li>Return !&nbsp;<emu-xref aoid="FormatDateTime" id="_ref_933"><a href="#sec-formatdatetime">FormatDateTime</a></emu-xref>(<var>dateFormat</var>, <var>x</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sup-date.prototype.tolocaledatestring">
@@ -5526,7 +5532,7 @@ <h1><span class="secnum">19.4.2</span> Date.prototype.toLocaleDateString ( [ <va
         When the <code>toLocaleDateString</code> method is called with optional arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>dateObject</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>dateObject</var>, <var class="field">[[DateValue]]</var>).</li><li>Let <var>x</var> be <var>dateObject</var>.<var class="field">[[DateValue]]</var>.</li><li>If <var>x</var> is <emu-val>NaN</emu-val>, return <emu-val>"Invalid Date"</emu-val>.</li><li>Let <var>dateFormat</var> be ?&nbsp;<emu-xref aoid="CreateDateTimeFormat" id="_ref_937"><a href="#sec-createdatetimeformat">CreateDateTimeFormat</a></emu-xref>(<emu-xref href="#sec-intl-datetimeformat-constructor" id="_ref_938"><a href="#sec-intl-datetimeformat-constructor">%Intl.DateTimeFormat%</a></emu-xref>, <var>locales</var>, <var>options</var>, <emu-const>date</emu-const>, <emu-const>date</emu-const>).</li><li>Return !&nbsp;<emu-xref aoid="FormatDateTime" id="_ref_939"><a href="#sec-formatdatetime">FormatDateTime</a></emu-xref>(<var>dateFormat</var>, <var>x</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>dateObject</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>dateObject</var>, <var class="field">[[DateValue]]</var>).</li><li>Let <var>x</var> be <var>dateObject</var>.<var class="field">[[DateValue]]</var>.</li><li>If <var>x</var> is <emu-val>NaN</emu-val>, return <emu-val>"Invalid Date"</emu-val>.</li><li>Let <var>dateFormat</var> be ?&nbsp;<emu-xref aoid="CreateDateTimeFormat" id="_ref_934"><a href="#sec-createdatetimeformat">CreateDateTimeFormat</a></emu-xref>(<emu-xref href="#sec-intl-datetimeformat-constructor" id="_ref_935"><a href="#sec-intl-datetimeformat-constructor">%Intl.DateTimeFormat%</a></emu-xref>, <var>locales</var>, <var>options</var>, <emu-const>date</emu-const>, <emu-const>date</emu-const>).</li><li>Return !&nbsp;<emu-xref aoid="FormatDateTime" id="_ref_936"><a href="#sec-formatdatetime">FormatDateTime</a></emu-xref>(<var>dateFormat</var>, <var>x</var>).</li></ol></emu-alg>
     </emu-clause>
 
     <emu-clause id="sup-date.prototype.tolocaletimestring">
@@ -5540,7 +5546,7 @@ <h1><span class="secnum">19.4.3</span> Date.prototype.toLocaleTimeString ( [ <va
         When the <code>toLocaleTimeString</code> method is called with optional arguments <var>locales</var> and <var>options</var>, the following steps are taken:
       </p>
 
-      <emu-alg><ol><li>Let <var>dateObject</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>dateObject</var>, <var class="field">[[DateValue]]</var>).</li><li>Let <var>x</var> be <var>dateObject</var>.<var class="field">[[DateValue]]</var>.</li><li>If <var>x</var> is <emu-val>NaN</emu-val>, return <emu-val>"Invalid Date"</emu-val>.</li><li>Let <var>timeFormat</var> be ?&nbsp;<emu-xref aoid="CreateDateTimeFormat" id="_ref_940"><a href="#sec-createdatetimeformat">CreateDateTimeFormat</a></emu-xref>(<emu-xref href="#sec-intl-datetimeformat-constructor" id="_ref_941"><a href="#sec-intl-datetimeformat-constructor">%Intl.DateTimeFormat%</a></emu-xref>, <var>locales</var>, <var>options</var>, <emu-const>time</emu-const>, <emu-const>time</emu-const>).</li><li>Return !&nbsp;<emu-xref aoid="FormatDateTime" id="_ref_942"><a href="#sec-formatdatetime">FormatDateTime</a></emu-xref>(<var>timeFormat</var>, <var>x</var>).</li></ol></emu-alg>
+      <emu-alg><ol><li>Let <var>dateObject</var> be the <emu-val>this</emu-val> value.</li><li>Perform ?&nbsp;<emu-xref aoid="RequireInternalSlot"><a href="https://tc39.es/ecma262/#sec-requireinternalslot">RequireInternalSlot</a></emu-xref>(<var>dateObject</var>, <var class="field">[[DateValue]]</var>).</li><li>Let <var>x</var> be <var>dateObject</var>.<var class="field">[[DateValue]]</var>.</li><li>If <var>x</var> is <emu-val>NaN</emu-val>, return <emu-val>"Invalid Date"</emu-val>.</li><li>Let <var>timeFormat</var> be ?&nbsp;<emu-xref aoid="CreateDateTimeFormat" id="_ref_937"><a href="#sec-createdatetimeformat">CreateDateTimeFormat</a></emu-xref>(<emu-xref href="#sec-intl-datetimeformat-constructor" id="_ref_938"><a href="#sec-intl-datetimeformat-constructor">%Intl.DateTimeFormat%</a></emu-xref>, <var>locales</var>, <var>options</var>, <emu-const>time</emu-const>, <emu-const>time</emu-const>).</li><li>Return !&nbsp;<emu-xref aoid="FormatDateTime" id="_ref_939"><a href="#sec-formatdatetime">FormatDateTime</a></emu-xref>(<var>timeFormat</var>, <var>x</var>).</li></ol></emu-alg>
     </emu-clause>
   </emu-clause>
 
@@ -5595,7 +5601,7 @@ <h1><span class="secnum">A</span> Implementation Dependent Behaviour</h1>
           The set of available locales for each <emu-xref href="#constructor"><a href="https://tc39.es/ecma262/#constructor">constructor</a></emu-xref> (<emu-xref href="#sec-internal-slots" id="_ref_161"><a href="#sec-internal-slots">9.1</a></emu-xref>)
         </li>
         <li>
-          The <emu-xref aoid="LookupMatchingLocaleByBestFit" id="_ref_943"><a href="#sec-lookupmatchinglocalebybestfit">LookupMatchingLocaleByBestFit</a></emu-xref> algorithm (<emu-xref href="#sec-lookupmatchinglocalebybestfit" id="_ref_162"><a href="#sec-lookupmatchinglocalebybestfit">9.2.4</a></emu-xref>)
+          The <emu-xref aoid="LookupMatchingLocaleByBestFit" id="_ref_940"><a href="#sec-lookupmatchinglocalebybestfit">LookupMatchingLocaleByBestFit</a></emu-xref> algorithm (<emu-xref href="#sec-lookupmatchinglocalebybestfit" id="_ref_162"><a href="#sec-lookupmatchinglocalebybestfit">9.2.4</a></emu-xref>)
         </li>
       </ul>
     </li>
@@ -5628,7 +5634,7 @@ <h1><span class="secnum">A</span> Implementation Dependent Behaviour</h1>
     <li>In DateTimeFormat:
       <ul>
         <li>
-          The <emu-xref aoid="BestFitFormatMatcher" id="_ref_944"><a href="#sec-bestfitformatmatcher">BestFitFormatMatcher</a></emu-xref> algorithm (<emu-xref href="#sec-createdatetimeformat" id="_ref_170"><a href="#sec-createdatetimeformat">11.1.2</a></emu-xref>)
+          The <emu-xref aoid="BestFitFormatMatcher" id="_ref_941"><a href="#sec-bestfitformatmatcher">BestFitFormatMatcher</a></emu-xref> algorithm (<emu-xref href="#sec-createdatetimeformat" id="_ref_170"><a href="#sec-createdatetimeformat">11.1.2</a></emu-xref>)
         </li>
         <li>
           The set of supported <emu-val>"ca"</emu-val> key values (calendars) per locale (<emu-xref href="#sec-intl.datetimeformat-internal-slots" id="_ref_171"><a href="#sec-intl.datetimeformat-internal-slots">11.2.3</a></emu-xref>)