[e] (0) Define 'code unit'.

Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=13676 git-svn-id: http://svn.whatwg.org/webapps@6649 340c8d12-0b0e-0410-8428-c7bf67bfef74
whatwg · Oct 6, 2011 · 4351227 · 4351227
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Showing 3 changed files with 25 additions and 10 deletions.
diff --git a/complete.html b/complete.html
@@ -3362,24 +3362,29 @@ <h4 id=character-encodings><span class=secno>2.1.6 </span>Character encodings</h
   UTF-16: self-describing UTF-16 with a BOM, ambiguous UTF-16 without
   a BOM, raw UTF-16LE, and raw UTF-16BE. <a href=#refsRFC2781>[RFC2781]</a></p>
 
+  <p>The term <dfn id=code-unit>code unit</dfn> is used as defined in the Web IDL
+  specification: a 16 bit unsigned integer, the smallest atomic
+  component of a <code>DOMString</code>. (This is a narrower
+  definition than the one used in Unicode.) <a href=#refsWEBIDL>[WEBIDL]</a></p>
+
   <p>The term <dfn id=unicode-character>Unicode character</dfn> is used to mean a <i title="">Unicode scalar value</i> (i.e. any Unicode code point that
   is not a surrogate code point). <a href=#refsUNICODE>[UNICODE]</a></p>
 
   <p>The term <dfn id=character>character</dfn>, when not qualified as
   <em>Unicode</em> character, means a <a href=#unicode-character>Unicode character</a>
   where possible, or a surrogate code point when not: when an
   algorithm that processes strings is defined in terms of characters,
-  a pair of <span title="code unit">code units</span> consisting of a
+  a pair of <a href=#code-unit title="code unit">code units</a> consisting of a
   high surrogate followed by a low surrogate must be treated as a
   single character, but isolated surrogates must each be treated as a
   single character also.</p>
 
   <p>The <dfn id=code-point-length>code-point length</dfn> of a string is the number of
-  <span title="code unit">code units</span> in that string. <a href=#refsWEBIDL>[WEBIDL]</a></p>
+  <a href=#code-unit title="code unit">code units</a> in that string.</p>
 
   <p class=note>This complexity results from the historical decision
-  to define the DOM API in terms of 16 bit (UTF-16) <span title="code
-  unit">code units</span>, rather than in terms of <a href=#unicode-character title="Unicode character">Unicode characters</a>.</p>
+  to define the DOM API in terms of 16 bit (UTF-16) <a href=#code-unit title="code
+  unit">code units</a>, rather than in terms of <a href=#unicode-character title="Unicode character">Unicode characters</a>.</p>
 
 
 

diff --git a/index b/index
@@ -3362,24 +3362,29 @@ a.setAttribute('href', 'http://example.com/'); // change the content attribute d
   UTF-16: self-describing UTF-16 with a BOM, ambiguous UTF-16 without
   a BOM, raw UTF-16LE, and raw UTF-16BE. <a href=#refsRFC2781>[RFC2781]</a></p>
 
+  <p>The term <dfn id=code-unit>code unit</dfn> is used as defined in the Web IDL
+  specification: a 16 bit unsigned integer, the smallest atomic
+  component of a <code>DOMString</code>. (This is a narrower
+  definition than the one used in Unicode.) <a href=#refsWEBIDL>[WEBIDL]</a></p>
+
   <p>The term <dfn id=unicode-character>Unicode character</dfn> is used to mean a <i title="">Unicode scalar value</i> (i.e. any Unicode code point that
   is not a surrogate code point). <a href=#refsUNICODE>[UNICODE]</a></p>
 
   <p>The term <dfn id=character>character</dfn>, when not qualified as
   <em>Unicode</em> character, means a <a href=#unicode-character>Unicode character</a>
   where possible, or a surrogate code point when not: when an
   algorithm that processes strings is defined in terms of characters,
-  a pair of <span title="code unit">code units</span> consisting of a
+  a pair of <a href=#code-unit title="code unit">code units</a> consisting of a
   high surrogate followed by a low surrogate must be treated as a
   single character, but isolated surrogates must each be treated as a
   single character also.</p>
 
   <p>The <dfn id=code-point-length>code-point length</dfn> of a string is the number of
-  <span title="code unit">code units</span> in that string. <a href=#refsWEBIDL>[WEBIDL]</a></p>
+  <a href=#code-unit title="code unit">code units</a> in that string.</p>
 
   <p class=note>This complexity results from the historical decision
-  to define the DOM API in terms of 16 bit (UTF-16) <span title="code
-  unit">code units</span>, rather than in terms of <a href=#unicode-character title="Unicode character">Unicode characters</a>.</p>
+  to define the DOM API in terms of 16 bit (UTF-16) <a href=#code-unit title="code
+  unit">code units</a>, rather than in terms of <a href=#unicode-character title="Unicode character">Unicode characters</a>.</p>
 
 
 

diff --git a/source b/source
@@ -2237,6 +2237,12 @@ a.setAttribute('href', 'http://example.com/'); // change the content attribute d
   a BOM, raw UTF-16LE, and raw UTF-16BE. <a
   href="#refsRFC2781">[RFC2781]</a></p>
 
+  <p>The term <dfn>code unit</dfn> is used as defined in the Web IDL
+  specification: a 16 bit unsigned integer, the smallest atomic
+  component of a <code>DOMString</code>. (This is a narrower
+  definition than the one used in Unicode.) <a
+  href="#refsWEBIDL">[WEBIDL]</a></p>
+
   <p>The term <dfn>Unicode character</dfn> is used to mean a <i
   title="">Unicode scalar value</i> (i.e. any Unicode code point that
   is not a surrogate code point). <a
@@ -2252,8 +2258,7 @@ a.setAttribute('href', 'http://example.com/'); // change the content attribute d
   single character also.</p>
 
   <p>The <dfn>code-point length</dfn> of a string is the number of
-  <span title="code unit">code units</span> in that string. <a
-  href="#refsWEBIDL">[WEBIDL]</a></p>
+  <span title="code unit">code units</span> in that string.</p>
 
   <p class="note">This complexity results from the historical decision
   to define the DOM API in terms of 16 bit (UTF-16) <span title="code