Add notes to text-trim, explaining design and issues

Author: fantasai

css3-text/Overview.html

@@ -83,14 +83,14 @@
 
    <h1>CSS Text Level 3</h1>
 
-   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 30 January
+   <h2 class="no-num no-toc" id=longstatus-date>Editor's Draft 4 February
     2011</h2>
 
    <dl>
     <dt>This version:
 
     <dd><a href="http://dev.w3.org/csswg/css3-text/Overview.html">$Date:
-     2011/01/30 22:01:29 $ (CVS $Revision$)</a> <!--<dd><a
+     2011/01/30 22:03:16 $ (CVS $Revision$)</a> <!--<dd><a
       href="http://www.w3.org/TR/2010/WD-css3-text-20101005/">http://www.w3.org/TR/2010/WD-css3-text-20101005/</a></dd> -->
 
 
@@ -3295,8 +3295,10 @@ <h3 id=text-trim><span class=secno>9.3. </span><a
    name=punctuation-trim></a> Fullwidth Kerning: the &lsquo;<a
    href="#text-trim0"><code class=property>text-trim</code></a>&rsquo;
    property</h3>
-  <!-- Syntax is derived as a shorthand of the following theoretical
-         properties (defaults given first):
+
+  <pre class=note>
+        Syntax is derived as a shorthand of the following theoretical
+        properties (defaults given first):
 
            text-trim-start:      keep-start | force-start
            text-trim-end:        allow-end | force-end | keep-end | keep-fullstop
@@ -3311,7 +3313,7 @@ <h3 id=text-trim><span class=secno>9.3. </span><a
                       [ force-end | keep-end | keep-fullstop] ||
                       keep-adjacent ||
                       no-justify
-    -->
+    </pre>
 
   <table class=propdef>
    <tbody>
@@ -3390,6 +3392,9 @@ <h3 id=text-trim><span class=secno>9.3. </span><a
     rel=biblioentry>[JLREQ]<!--{{JLREQ}}--></a>.</span>
   </dl>
 
+  <p class=issue>Figure out proper interaction with text-align: end. Does
+   allow-end behavior make sense? Do we want allow-start instead?
+
   <p>In all cases, the UA must trim (kern) the blank half of fullwidth
    opening punctuation if its previous adjacent character is a fullwidth
    opening punctuation, fullwidth middle dot punctuation, fullwidth closing

css3-text/Overview.src.html

@@ -2438,8 +2438,9 @@ <h3 id="letter-spacing">
   <h3 id="text-trim"><a name="punctuation-trim"></a>
     Fullwidth Kerning: the 'text-trim' property</h3>
 
-    <!-- Syntax is derived as a shorthand of the following theoretical
-         properties (defaults given first):
+    <pre class="note">
+        Syntax is derived as a shorthand of the following theoretical
+        properties (defaults given first):
 
            text-trim-start:      keep-start | force-start
            text-trim-end:        allow-end | force-end | keep-end | keep-fullstop
@@ -2454,7 +2455,7 @@ <h3 id="text-trim"><a name="punctuation-trim"></a>
                       [ force-end | keep-end | keep-fullstop] ||
                       keep-adjacent ||
                       no-justify
-    -->
+    </pre>
     <table class="propdef">
       <tbody>
         <tr>
@@ -2523,6 +2524,9 @@ <h3 id="text-trim"><a name="punctuation-trim"></a>
           3.8 Line Adjustment in [[JLREQ]].</span>
         </dd>
     </dl>
+    
+    <p class="issue">Figure out proper interaction with text-align: end.
+      Does allow-end behavior make sense? Do we want allow-start instead?</p>
 
     <p>In all cases, the UA must trim (kern) the blank half of fullwidth
       opening punctuation if its previous adjacent character is a