Rename the toggle() header to be slightly better phrasing

Author: tabatkins

css3-values/Overview.html

@@ -27,13 +27,13 @@
 
    <h1>CSS Values and Units Module Level 3</h1>
 
-   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 21 May 2012</h2>
+   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 22 May 2012</h2>
 
    <dl>
     <dt>This version:
 
     <dd><a
-     href="http://www.w3.org/TR/2012/ED-css3-values-20120521/">http://www.w3.org/TR/2012/ED-css3-values-20120521/</a>
+     href="http://www.w3.org/TR/2012/ED-css3-values-20120522/">http://www.w3.org/TR/2012/ED-css3-values-20120522/</a>
 
     <dt>Latest version:
 
@@ -290,8 +290,8 @@ <h2 class="no-num no-toc" id=contents>Table of contents</h2>
         Checking</a>
       </ul>
 
-     <li><a href="#toggle-notation"><span class=secno>8.2. </span> Cycling
-      Values: ‘<code class=css>toggle()</code>’</a>
+     <li><a href="#toggle-notation"><span class=secno>8.2. </span> Toggling
+      Between Values: ‘<code class=css>toggle()</code>’</a>
 
      <li><a href="#attr-notation"><span class=secno>8.3. </span> Attribute
       References: ‘<code class=css>attr()</code>’</a>
@@ -1519,8 +1519,8 @@ <h4 id=calc-range><span class=secno>8.1.3. </span> Range Checking</h4>
 width: 0px;</pre>
   </div>
 
-  <h3 id=toggle-notation><span class=secno>8.2. </span> Cycling Values: ‘<a
-   href="#toggle"><code class=css>toggle()</code></a>’</h3>
+  <h3 id=toggle-notation><span class=secno>8.2. </span> Toggling Between
+   Values: ‘<a href="#toggle"><code class=css>toggle()</code></a>’</h3>
 
   <p>The <dfn id=toggle>toggle()</dfn> expression allows descendant elements
    to cycle over a list of values instead of inheriting the same value. The
@@ -1537,7 +1537,7 @@ <h3 id=toggle-notation><span class=secno>8.2. </span> Cycling Values: ‘<a
   <p class=note> Note that values with commas at the top-level will be
    incorrectly interpreted as separate values.
 
-  <p>The value returned by ‘<a href="#toggle"><code
+  <p> The value returned by ‘<a href="#toggle"><code
    class=css>toggle()</code></a>’ must be determined by comparing the
    inherited value <var>I</var> (the computed value on the parent, or, for
    the root, the initial value) to the computed values
@@ -1549,6 +1549,17 @@ <h3 id=toggle-notation><span class=secno>8.2. </span> Cycling Values: ‘<a
    are no <var>C<sub>n</sub></var> that equal <var>I</var>, the computed
    value of the first value is returned instead.
 
+  <p class=note> Note that "computed values" are abstract sets of values, not
+   particular serializations, so comparison between computed values should
+   always be unambiguous and have the expected result. For example, ‘<code
+   class=property>box-shadow</code>’ computed values are just two offsets,
+   a blur, a spread, and a color, so the declarations ‘<code
+   class=css>box-shadow: 1px 1px blue;</code>’ and ‘<code
+   class=css>box-shadow: 1px 1px 0px blue;</code>’ produce identical
+   computed values. If the "Computed Value" line of a property definition
+   seems to define something ambiguous or overly strict, please <a
+   href="#status">provide feedback</a> so we can fix it.
+
   <p class=note>Note that ‘<a href="#toggle"><code
    class=css>toggle()</code></a>’ explicitly looks at the computed value of
    the parent, so it is useful even for non-inherited properties. This is

css3-values/Overview.src.html

@@ -1078,7 +1078,7 @@ <h4 id='calc-range'>
 	</div>
 
 <h3 id="toggle-notation">
-Cycling Values: ''toggle()''</h3>
+Toggling Between Values: ''toggle()''</h3>
 
 	<p>The <dfn>toggle()</dfn> expression allows descendant elements
 	to cycle over a list of values instead of inheriting the same value.