[ac] (0) Mention that rel='' is case-insensitive.

git-svn-id: http://svn.whatwg.org/webapps@2698 340c8d12-0b0e-0410-8428-c7bf67bfef74

index

 
         <p>The file must be converted to Unicode using the character
         encoding given by <var><a href="#the-script-block's-character-encoding">the script block's character
-        encoding</a></var>, regardless of any metadata given by the file's
-        <a href=#content-type-0 title=Content-Type>Content-Type metadata</a>.</p>
-
-        <p class=XXX>This means that a UTF-16 document will
-        always assume external scripts are UTF-16...? This applies,
-        e.g., to document's created using createDocument()... It also
-        means changing document.charSet will affect the character
-        encoding used to interpret scripts, is that really what
-        happens?</p>
+        encoding</a></var>.</p>
 
        </dd>
 
   than once per <code title=attr-rel-hyperlink>rel</code>
   attribute.</p>
 
+  <p>The link types are <a href=#ascii-case-insensitive>ASCII case-insensitive</a> values,
+  and must be compared as such.</p>
+
+  <p class=example>Thus, <code title="">rel="next"</code> is the
+  same as <code title="">rel="NEXT"</code>.</p>
+
   <table><thead><tr><th rowspan=2>Link type</th>
      <th colspan=2>Effect on...</th>
      <th rowspan=2>Brief description</th>

source

@@ -10681,15 +10681,7 @@ people expect to have work and what is necessary.
 
         <p>The file must be converted to Unicode using the character
         encoding given by <var>the script block's character
-        encoding</var>, regardless of any metadata given by the file's
-        <span title="Content-Type">Content-Type metadata</span>.</p>
-
-        <p class="XXX">This means that a UTF-16 document will
-        always assume external scripts are UTF-16...? This applies,
-        e.g., to document's created using createDocument()... It also
-        means changing document.charSet will affect the character
-        encoding used to interpret scripts, is that really what
-        happens?</p>
+        encoding</var>.</p>
 
        </dd>
 
   than once per <code title="attr-rel-hyperlink">rel</code>
   attribute.</p>
 
+  <p>The link types are <span>ASCII case-insensitive</span> values,
+  and must be compared as such.</p>
+
+  <p class="example">Thus, <code title="">rel="next"</code> is the
+  same as <code title="">rel="NEXT"</code>.</p>
+
   <table>
    <thead>
     <tr>