Clarify purpose of full-size-kana. Shift link to mappings into <dd>.

Author: fantasai

css3-text/Overview.html

@@ -572,9 +572,14 @@ <h3 id=text-transform><span class=secno>2.1. </span> <a name=caps-prop></a>
     title="text-transform:full-size-kana">&lsquo;<code
     class=css>full-size-kana</code>&rsquo;</dfn>
 
-   <dd>Converts all small Kana characters to normal Kana. This value is
-    typically used for ruby annotation text, where all small Kana should be
-    drawn as large Kana.
+   <dd>Converts all small Kana characters to normal Kana. The mappings for
+    small Kana to normal Kana are defined in <a href="#small-kana">Small Kana
+    Mappings</a>.
+    <p class=note> This value is typically used for ruby annotation text,
+     where due to the small type size, small Kana is often drawn as large
+     Kana. This value allows such underlying text to use correct orthography
+     so that it is accessible and can be styled correctly when not presented
+     as ruby.
   </dl>
 
   <p>The case mapping rules for the character repertoire specified by the
@@ -631,9 +636,6 @@ <h3 id=text-transform><span class=secno>2.1. </span> <a name=caps-prop></a>
    decomposition (minus the &lt;wide&gt; tag) back to the original code
    point.
 
-  <p>The mappings for small Kana to normal Kana are defined in <a
-   href="#small-kana">Small Kana Mappings</a>.
-
   <p>Text transformation happens after <a href="#white-space-rules">white
    space processing</a>, which means that &lsquo;<code
    class=css>full-width</code>&rsquo; transforms only preserved U+0020 spaces
@@ -651,9 +653,10 @@ <h3 id=text-transform><span class=secno>2.1. </span> <a name=caps-prop></a>
    tables for less common text transforms, such as by an &lsquo;<a
    href="#text-transform0"><code class=css>@text-transform</code></a>&rsquo;
    rule similar to &lsquo;<code class=css>@counter-style</code>&rsquo; from
-   <a href="#CSS3LIST" rel=biblioentry>[CSS3LIST]<!--{{CSS3LIST}}--></a>, and
-   this mechanism may be used to replace &lsquo;<code
-   class=css>full-size-kana</code>&rsquo;.
+   <a href="#CSS3LIST" rel=biblioentry>[CSS3LIST]<!--{{CSS3LIST}}--></a>.
+   This mechanism may be used to replace &lsquo;<code
+   class=css>full-size-kana</code>&rsquo;. This would require authors needing
+   this functionality to copy out the conversion tables, however.
 
   <h2 id=white-space-processing><span class=secno>3. </span> White Space
    Processing</h2>

css3-text/Overview.src.html

@@ -272,8 +272,15 @@ <h3 id="text-transform">
           like ideographic characters.
       <dt><dfn title="text-transform:full-size-kana">''full-size-kana''</dfn></dt>
         <dd>Converts all small Kana characters to normal Kana.
-          This value is typically used for ruby annotation text,
-          where all small Kana should be drawn as large Kana.
+          The mappings for small Kana to normal Kana are defined in
+          <a href="#small-kana">Small Kana Mappings</a>.</p>
+        <p class=note>
+          This value is typically used for ruby annotation text, 
+          where due to the small type size, small Kana
+          is often drawn as large Kana.
+          This value allows such underlying text to use correct orthography
+          so that it is accessible and can be styled correctly
+          when not presented as ruby.
     </dl>
 
     <p>The case mapping rules for the character repertoire specified by the
@@ -327,9 +334,6 @@ <h3 id="text-transform">
       &lt;wide&gt; tag, the mapping is from the decomposition (minus the
       &lt;wide&gt; tag) back to the original code point.</p>
 
-    <p>The mappings for small Kana to normal Kana are defined in
-      <a href="#small-kana">Small Kana Mappings</a>.</p>
-
     <p>Text transformation happens after <a href="#white-space-rules">white
       space processing</a>, which means that ''full-width'' transforms
       only preserved U+0020 spaces to U+3000.
@@ -343,8 +347,10 @@ <h3 id="text-transform">
 
     <p class="issue">CSS may introduce the ability to create custom mapping
       tables for less common text transforms, such as by an ''@text-transform''
-      rule similar to ''@counter-style'' from [[CSS3LIST]], and this mechanism
-      may be used to replace ''full-size-kana''.
+      rule similar to ''@counter-style'' from [[CSS3LIST]].
+      This mechanism may be used to replace ''full-size-kana''. This would
+      require authors needing this functionality to copy out the conversion
+      tables, however.
 
 <h2 id="white-space-processing">
   White Space Processing</h2>