[] (0) Make data-* always lowercase.

git-svn-id: http://svn.whatwg.org/webapps@1945 340c8d12-0b0e-0410-8428-c7bf67bfef74
whatwg · Jul 25, 2008 · f9cb442 · f9cb442
1 parent 31f6d50
commit f9cb442
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Showing 2 changed files with 25 additions and 12 deletions.
diff --git a/index b/index
@@ -7969,8 +7969,13 @@ background: transparent">blue&lt;/span>.&lt;/p></pre>
   <p>A <dfn id=custom>custom data attribute</dfn> is an attribute whose name
    starts with the string "<dfn id=data-
    title="attr-data-*"><code>data-</code></dfn>", has at least one character
-   after the hyphen, is <a href="#xml-compatible">XML-compatible</a>, and has
-   no namespace.
+   after the hyphen, is <a href="#xml-compatible">XML-compatible</a>, has no
+   namespace, and contains no characters in the range U+0041 .. U+005A (LATIN
+   CAPITAL LETTER A LATIN CAPITAL LETTER Z).
+
+  <p class=note>All attributes in <a href="#html-">HTML documents</a> get
+   lowercased automatically, so the restriction on uppercase letters doesn't
+   affect such documents.
 
   <p><a href="#custom" title="custom data attribute">Custom data
    attributes</a> are intended to store custom data private to the page or
@@ -7996,7 +8001,8 @@ background: transparent">blue&lt;/span>.&lt;/p></pre>
    <dd>
     <ol>
      <li>Let <var title="">name</var> be the concatenation of the string
-      <code title="">data-</code> and the name passed to the algorithm.
+      <code title="">data-</code> and the name passed to the algorithm, <a
+      href="#converting0">converted to lowercase</a>.
 
      <li>If the element does not have an attribute with the name <var
       title="">name</var>, then the name has no corresponding value, abort.
@@ -8010,7 +8016,8 @@ background: transparent">blue&lt;/span>.&lt;/p></pre>
    <dd>
     <ol>
      <li>Let <var title="">name</var> be the concatenation of the string
-      <code title="">data-</code> and the name passed to the algorithm.
+      <code title="">data-</code> and the name passed to the algorithm, <a
+      href="#converting0">converted to lowercase</a>.
 
      <li>Let <var title="">value</var> be the value passed to the algorithm.
 
@@ -8027,7 +8034,8 @@ background: transparent">blue&lt;/span>.&lt;/p></pre>
    <dd>
     <ol>
      <li>Let <var title="">name</var> be the concatenation of the string
-      <code title="">data-</code> and the name passed to the algorithm.
+      <code title="">data-</code> and the name passed to the algorithm, <a
+      href="#converting0">converted to lowercase</a>.
 
      <li>Remove the attribute with the name <var title="">name</var>, if such
       an attribute exists. Do nothing otherwise.
@@ -35947,7 +35955,7 @@ user reload must be equivalent to .reload()
    document</a>, or otherwise any ports in that document's <a
    href="#list-of3">list of message ports</a>, if the document is not the <a
    href="#active">active document</a>, must be <span>deactivated</span> and
-   unentangled..
+   unentangled.
 
   <p class=big-issue>Also, <code title=event-unload>unload</code> events
    should fire.

diff --git a/source b/source
@@ -5954,8 +5954,13 @@ background: transparent">blue&lt;/span>.&lt;/p></pre>
   <p>A <dfn>custom data attribute</dfn> is an attribute whose name
   starts with the string "<dfn
   title="attr-data-*"><code>data-</code></dfn>", has at least one
-  character after the hyphen, is <span>XML-compatible</span>, and has
-  no namespace.</p>
+  character after the hyphen, is <span>XML-compatible</span>, has no
+  namespace, and contains no characters in the range U+0041 .. U+005A
+  (LATIN CAPITAL LETTER A LATIN CAPITAL LETTER Z).</p>
+
+  <p class="note">All attributes in <span>HTML documents</span> get
+  lowercased automatically, so the restriction on uppercase letters
+  doesn't affect such documents.</p>
 
   <p><span title="custom data attribute">Custom data attributes</span>
   are intended to store custom data private to the page or
@@ -5983,7 +5988,7 @@ background: transparent">blue&lt;/span>.&lt;/p></pre>
 
      <li>Let <var title="">name</var> be the concatenation of the
      string <code title="">data-</code> and the name passed to the
-     algorithm.</li>
+     algorithm, <span>converted to lowercase</span>.</li>
 
      <li>If the element does not have an attribute with the name <var
      title="">name</var>, then the name has no corresponding value,
@@ -6002,7 +6007,7 @@ background: transparent">blue&lt;/span>.&lt;/p></pre>
 
      <li>Let <var title="">name</var> be the concatenation of the
      string <code title="">data-</code> and the name passed to the
-     algorithm.</li>
+     algorithm, <span>converted to lowercase</span>.</li>
 
      <li>Let <var title="">value</var> be the value passed to the
      algorithm.</li>
@@ -6025,7 +6030,7 @@ background: transparent">blue&lt;/span>.&lt;/p></pre>
 
      <li>Let <var title="">name</var> be the concatenation of the
      string <code title="">data-</code> and the name passed to the
-     algorithm.</li>
+     algorithm, <span>converted to lowercase</span>.</li>
 
      <li>Remove the attribute with the name <var title="">name</var>,
      if such an attribute exists. Do nothing otherwise.</li>
@@ -33410,7 +33415,7 @@ user reload must be equivalent to .reload()
   document</span>, or otherwise any ports in that document's
   <span>list of message ports</span>, if the document is not the
   <span>active document</span>, must be <span>deactivated</span> and
-  unentangled..</p>
+  unentangled.</p>
 
   <p class="big-issue">Also, <code title="event-unload">unload</code>
   events should fire.</p>