Clarifying "const" usage.

Dj Padzensky · Dj Padzensky · commit 3ef66dc16c18 · 2019-02-07T10:02:36.000-08:00
diff --git a/jsonschema-validation.xml b/jsonschema-validation.xml
@@ -242,6 +242,10 @@
                     <t>
                         The value of this keyword MAY be of any type, including null.
                     </t>
+                    <t>
+                        Use of this keyword is functionally equivalent to an
+                        <xref target="json-schema">"enum"</xref> with a single value.
+                    </t>
                     <t>
                         An instance validates successfully against this keyword if its value is
                         equal to the value of the keyword.
