Bring back bools

source

@@ -34918,22 +34918,24 @@ interface <dfn interface>MediaError</dfn> {
   (number, number or "<code data-x="">until end</code>") tuple <var>byteRange</var>:</p>
 
   <ol>
-   <li><p>If <var>response</var> is a <span>network error</span>, then return
-   "<code data-x="">failure</code>".</p></li>
+   <li><p>If <var>response</var> is a <span>network error</span>, then return false.</p></li>
+
+   <li><p>If <var>byteRange</var> is "<code data-x="">entire resource</code>", then return
+   true.</p></li>
 
    <li><p>Let <var>internalResponse</var> be <var>response</var>'s
    <span>unsafe response</span>.</p></li>
 
-   <li><p>If <var>internalResponse</var>'s <span data-x="concept-response-status">status</span> is
-   neither 200 or 206, then return "<code data-x="">failure</code>".</p></li>
+   <li>
+    <p>If <var>internalResponse</var>'s <span data-x="concept-response-status">status</span> is
+    200, then return true.</p>
 
-   <li><p>If <var>internalResponse</var>'s <span data-x="concept-response-status">status</span> is
-   200, then: If <var>byteRange</var> is "<code data-x="">entire resource</code>" then return
-   "<code data-x="">success</code>". Otherwise return
-   "<code data-x="">range not supported</code>".</p></li>
+    <p class="note">Though some user-agents allow playing media from origins who don't support
+    range requests, this is generally discouraged as it requires buffering on the client side.</p>
+   </li>
 
-   <li><p>If <var>byteRange</var> is "<code data-x="">entire resource</code>" then set
-   <var>byteRange</var> to (0, "<code data-x="">until end</code>").</p></li>
+   <li><p>If <var>internalResponse</var>'s <span data-x="concept-response-status">status</span> is
+   not 206, then return false.</p></li>
 
    <li><p>Let <var>origin</var> be "<code data-x="">rewritten</code>" if
    <var>internalResponse</var>'s <span data-x="concept-response-url">URL</span> is null; otherwise
@@ -34958,8 +34960,7 @@ interface <dfn interface>MediaError</dfn> {
     <p>then set <var>resource</var>'s <span data-x="media-resource-origin">origin</span> to
     <var>origin</var>.</p>
 
-    <p>Otherwise, if <var>response</var> is <span>CORS-cross-origin</span>, then return
-    "<code data-x="">failure</code>".</p>
+    <p>Otherwise, if <var>response</var> is <span>CORS-cross-origin</span>, then return false.</p>
 
     <p>Otherwise, set <var>resource</var>'s <span data-x="media-resource-origin">origin</span> to
     "<code data-x="">multiple</code>".</p>
@@ -34968,15 +34969,7 @@ interface <dfn interface>MediaError</dfn> {
     by being patched together with other responses from different origins.</p>
    </li>
 
-   <li><p>Let (<var>start</var>, <var>end</var>) be the result of
-   <span data-x="extract content-range values">extracting content-range values</span> from
-   <var>internalResponse</var>.</p></li>
-
-   <li><p>If <var>start</var> is not <var>byteRange</var>[0], or if
-   <var>byteRange</var>[1] is neither "<code data-x="">until end</code>" or <var>end</var>,
-   return "<code data-x="">range mismatch</code>".</p></li>
-
-   <li><p>Return "<code data-x="">success</code>".</p></li>
+   <li><p>Return true.</p></li>
   </ol>
 
   <p>The <dfn data-x="concept-media-load-resource" export>resource fetch algorithm</dfn> for a
@@ -35116,7 +35109,7 @@ interface <dfn interface>MediaError</dfn> {
          <li><p>If the result of
          <span data-x="verify a media response">verifying</span> <var>response</var> given the
          <var>current media resource</var> and <var>byteRange</var> is
-         "<code data-x="">failure</code>", then call <var>finalize</var>. Otherwise,
+         false, then call <var>finalize</var>. Otherwise,
          <span data-x="body-incrementally-read">incrementally read</span>
          <var>response</var>'s <span data-x="concept-response-body">body</span> given
          <var>updateMedia</var>, <var>processEndOfMedia</var>, <var>finalize</var>, and