[css3-fonts] more map class wording tweaks

Author: John Daggett

css-fonts/Fonts.html

@@ -5806,15 +5806,15 @@ <h3 id=om-fontfeaturevalues><span class=secno>8.2 </span>The <a
    title="@ornaments">@ornaments</code> <a href="#featurevalueblock"><i
    title="feature_value_block">feature value block</i></a> and so forth.
 
-  <p>The <code>CSSFontFeatureValuesMap</code> interface uses the default
-   <code>clear</code>, <code>delete</code>, <code>get</code>, and
-   <code>has</code> methods from <code>MapClass</code>. The <code>set</code>
-   method takes a sequence of unsigned integers and associates it with a
-   given <code>featureValueName</code>. The method behaves the same as the
-   default method in <code>MapClass</code> except that a single unsigned long
-   value is treated as a sequence of a single value. The method throws an
-   exception if an invalid number of values is passed in. If the associated
-   <a href="#featurevalueblock"><i title="feature_value_block">feature value
+  <p>The <code>CSSFontFeatureValuesMap</code> interface uses the <a
+   href="http://dev.w3.org/2006/webapi/WebIDL/#es-map-members">default
+   methods of map class</a> but the <code>set</code> method takes a sequence
+   of unsigned integers and associates it with a given
+   <code>featureValueName</code>. The method behaves the same as the default
+   map class method except that a single unsigned long value is treated as a
+   sequence of a single value. The method throws an exception if an invalid
+   number of values is passed in. If the associated <a
+   href="#featurevalueblock"><i title="feature_value_block">feature value
    block</i></a> only allows a limited number of values, the <code>set</code>
    method throws an <code>InvalidAccessError</code> exception when the input
    sequence to <code>set</code> contains more than the limited number of