Added a restriction that @counter-style can't use any of the list-style-position values as a name.

Author: tabatkins

css3-lists/Overview.html

@@ -2196,8 +2196,12 @@ <h3 id=counter-style-syntax><span class=secno>10.1. </span> @counter-style
    decl blocks, like @font-face.
 
   <p>The &lt;counter-style-name> must be be a valid identifier, and must not
-   be &lsquo;<code class=css>decimal</code>&rsquo;; violating these rules is
-   a syntax error and must cause the @counter-style block to be ignored.
+   be &lsquo;<code class=css>decimal</code>&rsquo;, &lsquo;<a
+   href="#inside"><code class=css>inside</code></a>&rsquo;, &lsquo;<a
+   href="#outside"><code class=css>outside</code></a>&rsquo;, or &lsquo;<a
+   href="#hanging"><code class=css>hanging</code></a>&rsquo;; violating these
+   rules is a syntax error and must cause the @counter-style block to be
+   ignored.
 
   <p>Omitting the &lsquo;<code class=property>type</code>&rsquo; property in
    a @counter-style block is a syntax error and must cause the @counter-style

css3-lists/Overview.src.html

@@ -1522,8 +1522,8 @@ <h3 id='counter-style-syntax'>
 	blocks, like @font-face.</p>
 
 	<p>The &lt;counter-style-name> must be be a valid identifier, and must not be
-	''decimal''; violating these rules is a syntax error and must cause the @counter-style
-	block to be ignored.</p>
+	''decimal'', ''inside'', ''outside'', or ''hanging''; violating these rules 
+	is a syntax error and must cause the @counter-style	block to be ignored.</p>
 
 	<p>Omitting the 'type' property in a @counter-style block is a syntax error
 	and must cause the @counter-style block to be ignored.  A @counter-style block