Update changes section, tweak some wording.

Author: fantasai

css3-writing-modes/Overview.html

@@ -314,7 +314,11 @@ <h2 class="no-num no-toc" id=Contents> Table of Contents</h2>
 
    <li class=no-num><a href="#changes">Changes</a>
     <ul class=toc>
-     <li class=no-num><a href="#recent-changes"> Changes from the September
+     <li class=no-num><a href="#recent-changes"> Changes from the May 2012
+      CSS Writing Modes Module Level 3 <abbr
+      title="Working Draft">WD</abbr></a>
+
+     <li class=no-num><a href="#changes-201109"> Changes from the September
       2011 CSS Writing Modes Module Level 3 <abbr
       title="Working Draft">WD</abbr></a>
     </ul>
@@ -720,7 +724,7 @@ <h3 id=unicode-bidi><span class=secno>2.2. </span> Embeddings and
    unicode bidi algorithm; content is ordered as if it were not there. The
    ‘<a href="#unicode-bidi0"><code
    class=property>unicode-bidi</code></a>’ property allows inline elements
-   to enforce scoping of the algorithm, and to override the intrinsic
+   to create scopes within the algorithm, and to override the intrinsic
    directionality of text.
 
   <p>The following informative table summarizes the element-internal and
@@ -3358,6 +3362,21 @@ <h3 id=text-combine-mode><span class=secno>9.2. </span>
   <h2 class=no-num id=changes>Changes</h2>
 
   <h3 class=no-num id=recent-changes> Changes from the <a
+   href="http://www.w3.org/TR/2012/WD-css3-writing-modes-20120501/">May 2012
+   CSS Writing Modes Module Level 3 <abbr title="Working Draft">WD</abbr></a></h3>
+
+  <p>Major changes include:
+
+  <ul>
+   <li>Replaced ‘<a href="#unicode-bidi0"><code
+    class=property>unicode-bidi</code></a>’ value of ‘<code
+    class=css>isolate bidi-override</code>’ with single keyword ‘<a
+    href="#isolate-override"><code class=css>isolate-override</code></a>’.
+
+   <li>Added data tables for orientation of characters in Unicode.
+  </ul>
+
+  <h3 class=no-num id=changes-201109> Changes from the <a
    href="http://www.w3.org/TR/2011/WD-css3-writing-modes-20110901/">September
    2011 CSS Writing Modes Module Level 3 <abbr
    title="Working Draft">WD</abbr></a></h3>

css3-writing-modes/Overview.src.html

@@ -379,7 +379,7 @@ <h3 id="unicode-bidi">
   <p>Normally (i.e. when 'unicode-bidi' is ''normal'')
     an inline element is transparent to the unicode bidi algorithm;
     content is ordered as if it were not there.
-    The 'unicode-bidi' property allows inline elements to enforce scoping of the algorithm,
+    The 'unicode-bidi' property allows inline elements to create scopes within the algorithm,
     and to override the intrinsic directionality of text.
 
   <p>The following informative table summarizes the element-internal and
@@ -2502,6 +2502,16 @@ <h3 id="text-combine-mode">
 
 <h2 class="no-num" id="changes">Changes</h2>
   <h3 class="no-num" id="recent-changes">
+  Changes from the <a href="http://www.w3.org/TR/2012/WD-css3-writing-modes-20120501/">May
+  2012 CSS Writing Modes Module Level 3 <abbr title="Working Draft">WD</abbr></a></h3>
+
+  <p>Major changes include:</p>
+  <ul>
+    <li>Replaced 'unicode-bidi' value of ''isolate bidi-override'' with single keyword ''isolate-override''.
+    <li>Added data tables for orientation of characters in Unicode.
+  </ul>
+
+  <h3 class="no-num" id="changes-201109">
   Changes from the <a href="http://www.w3.org/TR/2011/WD-css3-writing-modes-20110901/">September
   2011 CSS Writing Modes Module Level 3 <abbr title="Working Draft">WD</abbr></a></h3>