[css-counter-styles] Switch @counter-style definition to the Syntax-defined rule grammar.

Author: tabatkins

css-counter-styles/Overview.html

@@ -221,10 +221,7 @@ <h2 id="intro" data-level="1"><span class="secno">1 </span>
 
 </p><p>	The general form of an <a data-autolink="maybe" class="css" href="#at-counter-style">@counter-style</a> rule is:
 
-	</p><pre>@counter-style <a data-autolink="link" href="#speak-as-counter-style">&lt;counter-style-name&gt;</a> {
-  [ descriptor: value; ]+
-}
-</pre>
+</p><pre>@counter-style <a data-autolink="link" href="#speak-as-counter-style">&lt;counter-style-name&gt;</a> { &lt;declaration-list&gt; }</pre>
 <p>	The <a data-autolink="link" href="#speak-as-counter-style">&lt;counter-style-name&gt;</a> must be be a valid identifier 
 	and must not be <a data-autolink="maybe" class="css" href="#decimal">decimal</a> or <span data-autolink="maybe" class="css">none</span>,
 	or else the rule is invalid.
@@ -2578,7 +2575,7 @@ <h3 class="no-ref" id="testing">
 
 <h3 id="normative" class="no-num no-ref">
 Normative References</h3>
-<div data-fill-with="normative-references"><dl><dt id="rfc2119" title="RFC2119">[RFC2119]</dt><dd>S. Bradner. <a href="http://www.ietf.org/rfc/rfc2119.txt">Key words for use in RFCs to Indicate Requirement Levels</a>. URL: <a href="http://www.ietf.org/rfc/rfc2119.txt">http://www.ietf.org/rfc/rfc2119.txt</a></dd><dt id="css3-writing-modes" title="CSS3-WRITING-MODES">[CSS3-WRITING-MODES]</dt><dd>Elika J. Etemad; Koji Ishii. <a href="http://www.w3.org/TR/2012/WD-css3-writing-modes-20121115/">CSS Writing Modes Module Level 3</a>. 15 November 2012. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2012/WD-css3-writing-modes-20121115/">http://www.w3.org/TR/2012/WD-css3-writing-modes-20121115/</a></dd></dl></div>
+<div data-fill-with="normative-references"><dl><dt id="css3-writing-modes" title="CSS3-WRITING-MODES">[CSS3-WRITING-MODES]</dt><dd>Elika J. Etemad; Koji Ishii. <a href="http://www.w3.org/TR/2012/WD-css3-writing-modes-20121115/">CSS Writing Modes Module Level 3</a>. 15 November 2012. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2012/WD-css3-writing-modes-20121115/">http://www.w3.org/TR/2012/WD-css3-writing-modes-20121115/</a></dd><dt id="rfc2119" title="RFC2119">[RFC2119]</dt><dd>S. Bradner. <a href="http://www.ietf.org/rfc/rfc2119.txt">Key words for use in RFCs to Indicate Requirement Levels</a>. URL: <a href="http://www.ietf.org/rfc/rfc2119.txt">http://www.ietf.org/rfc/rfc2119.txt</a></dd></dl></div>
 
 <h3 id="informative" class="no-num no-ref">
 Informative References</h3>

css-counter-styles/Overview.src.html

@@ -122,11 +122,7 @@ <h2 id='the-counter-style-rule'>
 
 	The general form of an ''@counter-style'' rule is:
 
-	<pre>
-	@counter-style <i>&lt;counter-style-name></i> {
-		[ descriptor: value; ]+
-	}
-	</pre>
+	<pre>@counter-style <i>&lt;counter-style-name></i> { &lt;declaration-list> }</pre>
 
 	The <i>&lt;counter-style-name></i> must be be a valid identifier 
 	and must not be ''decimal'' or ''none'',