Update plaintext definition per WG discussion so that block behavior and inline behavior match.

Author: fantasai

css3-writing-modes/Overview.html

@@ -651,7 +651,7 @@ <h3 id=unicode-bidi><span class=secno>2.2. </span> Embeddings and
     <tr>
      <th>Value:
 
-     <td>normal | embed | [ isolate || [ plaintext | bidi-override ] ]
+     <td>normal | embed | [ isolate || bidi-override ] | plaintext ]
 
     <tr>
      <th>Initial:
@@ -710,23 +710,14 @@ <h3 id=unicode-bidi><span class=secno>2.2. </span> Embeddings and
 
    <dd>For the purposes of the Unicode bidirectional algorithm, the contents
     of the element are considered to be inside a separate, independent
-    paragraph, and for the purpose of bidi resolution in its containing bidi
+    paragraph with a base directionality given by the element's &lsquo;<a
+    href="#direction0"><code class=property>direction</code></a>&rsquo;
+    property, and for the purpose of bidi resolution in its containing bidi
     paragraph (if any), the element itself is treated as if it were an Object
     Replacement Character (U+FFFC). (If the element is broken across multiple
     lines, then each box of the element is treated as an Object Replacement
     Character.)
 
-   <dt><dfn id=plaintext>plaintext</dfn>
-
-   <dd>
-    <p>For the purposes of the Unicode bidirectional algorithm, the base
-     directionality of each bidi paragraph for which the element forms the
-     containing block is determined not by the element's computed &lsquo;<a
-     href="#direction0"><code class=property>direction</code></a>&rsquo; as
-     usual, but by following rules P2 and P3 of the Unicode bidirectional
-     algorithm. For inline elements, this value is equivalent to &lsquo;<a
-     href="#isolate"><code class=css>isolate</code></a>&rsquo;.
-
    <dt><dfn id=bidi-override>bidi-override</dfn>
 
    <dd>For inline elements this creates an override. For block-container
@@ -739,6 +730,21 @@ <h3 id=unicode-bidi><span class=secno>2.2. </span> Embeddings and
     class=css>direction: ltr</code>&rsquo;, or RLO (U+202E), for &lsquo;<code
     class=css>direction: rtl</code>&rsquo;, at the start of the element and a
     PDF (U+202C) at the end of the element.
+
+   <dt><dfn id=plaintext>plaintext</dfn>
+
+   <dd>
+    <p>For the purposes of the Unicode bidirectional algorithm, the base
+     directionality of each bidi paragraph for which the element forms the
+     containing block is determined not by the element's computed &lsquo;<a
+     href="#direction0"><code class=property>direction</code></a>&rsquo; as
+     usual, but by following the heuristic in rules P2 and P3 of the Unicode
+     bidirectional algorithm. For inline elements, this value behaves as for
+     &lsquo;<a href="#isolate"><code class=css>isolate</code></a>&rsquo;,
+     except, as with block containers, the base directionality is determined
+     by following the Unicode heuristic instead of by using the &lsquo;<a
+     href="#direction0"><code class=property>direction</code></a>&rsquo;
+     value.
   </dl>
 
   <p>The final order of characters within in each bidi paragraph is the same
@@ -3727,7 +3733,7 @@ <h2 class=no-num id=property-index> Property Index</h2>
     <tr>
      <td><a class=property href="#unicode-bidi0">unicode-bidi</a>
 
-     <td>normal | embed | [ isolate || [ plaintext | bidi-override ] ]
+     <td>normal | embed | [ isolate || bidi-override ] | plaintext ]
 
      <td>normal
 

css3-writing-modes/Overview.src.html

@@ -357,7 +357,7 @@ <h3 id="unicode-bidi">
         </tr>
         <tr>
           <th>Value:</th>
-          <td>normal | embed | [ isolate || [ plaintext | bidi-override ] ]
+          <td>normal | embed | [ isolate || bidi-override ] | plaintext ]
         </tr>
         <tr>
           <th>Initial:</th>
@@ -406,18 +406,12 @@ <h3 id="unicode-bidi">
     <dt><dfn>isolate</dfn></dt>
     <dd>For the purposes of the Unicode bidirectional algorithm, the
       contents of the element are considered to be inside a separate,
-      independent paragraph, and for the purpose of bidi resolution
+      independent paragraph with a base directionality given by the
+      element's 'direction' property, and for the purpose of bidi resolution
       in its containing bidi paragraph (if any), the element itself is
       treated as if it were an Object Replacement Character (U+FFFC).
       (If the element is broken across multiple lines, then each box
       of the element is treated as an Object Replacement Character.)</dd>
-    <dt><dfn>plaintext</dfn></dt>
-    <dd><p>For the purposes of the Unicode bidirectional algorithm, the
-      base directionality of each bidi paragraph for which the element
-      forms the containing block is determined not by the element's
-      computed 'direction' as usual, but by following rules P2
-      and P3 of the Unicode bidirectional algorithm.
-      For inline elements, this value is equivalent to ''isolate''.
     <dt><dfn>bidi-override</dfn></dt>
     <dd>For inline elements this creates an override. For block-container
       elements this creates an override for inline-level descendants not
@@ -427,6 +421,16 @@ <h3 id="unicode-bidi">
       is ignored. This corresponds to adding a LRO (U+202D), for ''direction:
       ltr'', or RLO (U+202E), for ''direction: rtl'', at the start of the
       element and a PDF (U+202C) at the end of the element.</dd>
+    <dt><dfn>plaintext</dfn></dt>
+    <dd><p>For the purposes of the Unicode bidirectional algorithm, the
+      base directionality of each bidi paragraph for which the element
+      forms the containing block is determined not by the element's
+      computed 'direction' as usual, but by following the heuristic in
+      rules P2 and P3 of the Unicode bidirectional algorithm.
+      For inline elements, this value behaves as for ''isolate'',
+      except, as with block containers, the base directionality is
+      determined by following the Unicode heuristic instead of by using
+      the 'direction' value.
   </dl>
 
   <p>The final order of characters within in each bidi paragraph is the