[css-counter-styles] Make CSSCounterStyleRule mutable.

Author: tabatkins

css-counter-styles/Overview.html

@@ -2351,26 +2351,50 @@ <h3 id="the-csscounterstylerule-interface" data-level="7.2"><span class="secno">
 <p>	The <dfn id="csscounterstylerule">CSSCounterStyleRule</dfn> interface represents a <a data-autolink="maybe" class="css" href="#at-counter-style">@counter-style</a> rule.
 
 	</p><pre class="idl">interface CSSCounterStyleRule : CSSRule {
-  readonly attribute DOMString name;
-  readonly attribute DOMString system;
-  readonly attribute DOMString symbols;
-  readonly attribute DOMString additiveSymbols;
-  readonly attribute DOMString negative;
-  readonly attribute DOMString prefix;
-  readonly attribute DOMString suffix;
-  readonly attribute DOMString range;
-  readonly attribute DOMString width; 
-  readonly attribute DOMString fallback;
+  attribute DOMString name;
+  attribute DOMString system;
+  attribute DOMString symbols;
+  attribute DOMString additiveSymbols;
+  attribute DOMString negative;
+  attribute DOMString prefix;
+  attribute DOMString suffix;
+  attribute DOMString range;
+  attribute DOMString fill; 
+  attribute DOMString fallback;
 }
 </pre>
 	<dl class="idl-attributes">
-		<dt><var>name</var> of type <code>DOMString</code>, readonly
+		<dt><var>name</var> of type <code>DOMString</code>
 		</dt><dd>
-			The <var>name</var> attribute must return a <code>DOMString</code> object that contains the serialization of the <var>&lt;counter-style-name&gt;</var> defined for the associated <a data-autolink="maybe" class="css" href="#at-counter-style">@counter-style</a> block.
+			The <var>name</var> attribute on getting must return a <code>DOMString</code> object 
+			that contains the serialization of the <var>&lt;counter-style-name&gt;</var> defined for the associated rule.
+
+<p>			On setting the <var>name</var> attribute, run the following steps:
+
+			</p><ol>
+				<li><a data-autolink="link">Parse a component value</a> from the value.
+
+				</li><li>If the returned value is an &#9001;ident&#9002;,
+				replace the associated rule's name with the &#9001;ident&#9002;'s representation.
+
+				</li><li>Otherwise, do nothing.
+			</li></ol>
 
 		</dd><dt>everything else
 		</dt><dd>
-			The remaining attributes must return a <code>DOMString</code> object that contains the serialization of the associated descriptor defined for the associated <a data-autolink="maybe" class="css" href="#at-counter-style">@counter-style</a> block.
+			The remaining attributes on getting must return a <code>DOMString</code> object 
+			that contains the serialization of the associated descriptor defined for the associated rule.
+
+<p>			On setting, run the following steps:
+
+			</p><ol>
+				<li><a data-autolink="link">Parse a list of component values</a> from the value.
+
+				</li><li>If the returned value is valid according to the given descriptor's grammar,
+				set that descriptor to the value.
+
+				</li><li>Otherwise, do nothing.
+			</li></ol>
 	</dd></dl>
 
 <h2 id="ua-stylesheet" data-level="8"><span class="secno">8 </span>

css-counter-styles/Overview.src.html

@@ -2319,27 +2319,51 @@ <h3 id="the-csscounterstylerule-interface">
 
 	<pre class='idl'>
 	interface CSSCounterStyleRule : CSSRule {
-	  readonly attribute DOMString name;
-	  readonly attribute DOMString system;
-	  readonly attribute DOMString symbols;
-	  readonly attribute DOMString additiveSymbols;
-	  readonly attribute DOMString negative;
-	  readonly attribute DOMString prefix;
-	  readonly attribute DOMString suffix;
-	  readonly attribute DOMString range;
-	  readonly attribute DOMString width; 
-	  readonly attribute DOMString fallback;
+	  attribute DOMString name;
+	  attribute DOMString system;
+	  attribute DOMString symbols;
+	  attribute DOMString additiveSymbols;
+	  attribute DOMString negative;
+	  attribute DOMString prefix;
+	  attribute DOMString suffix;
+	  attribute DOMString range;
+	  attribute DOMString fill; 
+	  attribute DOMString fallback;
 	}
 	</pre>
 
 	<dl class='idl-attributes'>
-		<dt><var>name</var> of type <code>DOMString</code>, readonly
+		<dt><var>name</var> of type <code>DOMString</code>
 		<dd>
-			The <var>name</var> attribute must return a <code>DOMString</code> object that contains the serialization of the <var>&lt;counter-style-name></var> defined for the associated ''@counter-style'' block.
+			The <var>name</var> attribute on getting must return a <code>DOMString</code> object 
+			that contains the serialization of the <var>&lt;counter-style-name></var> defined for the associated rule.
+
+			On setting the <var>name</var> attribute, run the following steps:
+
+			<ol>
+				<li><a>Parse a component value</a> from the value.
+
+				<li>If the returned value is an 〈ident〉,
+				replace the associated rule's name with the 〈ident〉's representation.
+
+				<li>Otherwise, do nothing.
+			</ol>
 
 		<dt>everything else
 		<dd>
-			The remaining attributes must return a <code>DOMString</code> object that contains the serialization of the associated descriptor defined for the associated ''@counter-style'' block.
+			The remaining attributes on getting must return a <code>DOMString</code> object 
+			that contains the serialization of the associated descriptor defined for the associated rule.
+
+			On setting, run the following steps:
+
+			<ol>
+				<li><a>Parse a list of component values</a> from the value.
+
+				<li>If the returned value is valid according to the given descriptor's grammar,
+				set that descriptor to the value.
+
+				<li>Otherwise, do nothing.
+			</ol>
 	</dl>
 
 <h2 id='ua-stylesheet'>