[css3-fonts] revise description of font-size-adjust to prevent confusion

Author: John Daggett

css-fonts/Fonts.html

@@ -1703,12 +1703,16 @@ <h3 id=font-size-adjust-prop><span class=secno>3.6 </span>Relative sizing:
     for the first font in the list of fonts defined for the initial value of
     the <a href="#propdef-font-family" title="font-family!!property">‘<code
     class=property>font-family</code>’</a> property. Effectively this is
-    the default font used when <a href="#propdef-font-family"
+    the default font used for basic Latin text when <a
+    href="#propdef-font-family" title="font-family!!property">‘<code
+    class=property>font-family</code>’</a> is not otherwise specified. It
+    does not vary based on document content and it is not calculated based on
+    the computed value of <a href="#propdef-font-family"
     title="font-family!!property">‘<code
-    class=property>font-family</code>’</a> is not otherwise specified.
-    <p>Authors can use this value to specify that font size should be
-     normalized across fonts based on the x-height without the need to
-     specify the aspect ratio explicitly.</p>
+    class=property>font-family</code>’</a> for a given element.
+    <p class=note>Authors can use this value to specify that font size should
+     be normalized across fonts based on the x-height without the need to
+     specify the aspect value explicitly.</p>
 
    <dt><dfn id=aspect-ratio-value><var>&lt;number&gt;</var></dfn>
 
@@ -5910,6 +5914,14 @@ <h3 class=no-num id=recent-changes> Changes from the <a
 
    <li>revised wording of font fetching algorithm
 
+   <li>clarify meaning of <a href="#font-size-adjust-auto-value"
+    title="auto!!font-size-adjust">‘<code class=property>auto</code>’</a>
+    value for ‘<a href="#propdef-font-size-adjust"><code
+    class=property>font-size-adjust</code></a>’
+
+   <li>allow user agents to synthesize OpenType <span class=tag>kern</span>
+    feature
+
    <li>minor editorial cleanups
   </ul>