create margin boxes iff content does not compute to its initial value

Author: fantasai

css3-page/Overview.html

@@ -87,14 +87,14 @@
 
     <h1 id=css-paged>CSS Paged Media Module Level 3</h1>
 
-    <h2 class="no-num no-toc" id=w3c-working>Editor's Draft 20 June 2008</h2>
+    <h2 class="no-num no-toc" id=w3c-working>Editor's Draft 25 June 2008</h2>
 
     <dl>
      <dt>This version:
 
      <dd><a
       href="http://dev.w3.org/csswg/css3-page/">http://dev.w3.org/csswg/css3-page/</a></dd>
-     <!-- <dd><a href="http://www.w3.org/TR/2008/ED-css3-page-20080620">http://www.w3.org/TR/2008/WD-css3-page-20080620</a></dd> -->
+     <!-- <dd><a href="http://www.w3.org/TR/2008/ED-css3-page-20080625">http://www.w3.org/TR/2008/WD-css3-page-20080625</a></dd> -->
 
      <dt>Latest version:
 
@@ -179,7 +179,7 @@ <h2 class="no-num no-toc" id=status>Status of this Document</h2>
    <!--end-status-->
    <p>This document contains the <abbr title="Cascading Style
     Sheets">CSS3</abbr> Paged Media Module W3C Last Call <a
-    href="/2005/10/Process-20051014/tr.html#RecsWD">Working Draft</a> of 20
+    href="/2005/10/Process-20051014/tr.html#RecsWD">Working Draft</a> of 25
     June 2008. The Last Call period ends on <span class=fudge>TBD</span>.</p>
 
    <p>Relative to the previous Last Call Working Draft, this version
@@ -1270,19 +1270,10 @@ <h3 id=margin-at-rules><span class=secno>6.1 </span>At-rules for margin
    <h3 id=populating-margin-boxes><span class=secno>6.2 </span>Populating
     margin boxes</h3>
 
-   <p>A margin box is instantiated if a margin context is established and one
-    of the following conditions holds:</p>
-
-   <ul>
-    <li>The computed value of <span class=property>&lsquo;<span
-     class=property>content</span>&rsquo;</span> is not <span
-     class=css>&lsquo;<span class=property>none</span>&rsquo;</span>.
-
-    <li>Both <span class=property>&lsquo;<span
-     class=property>width</span>&rsquo;</span> and <span
-     class=property>&lsquo;<span class=property>height</span>&rsquo;</span>
-     are set in the margin context.
-   </ul>
+   <p>A margin box is instantiated if a margin context is established the
+    computed value of <span class=property>&lsquo;<span
+    class=property>content</span>&rsquo;</span> is not <span
+    class=css>&lsquo;<span class=property>none</span>&rsquo;</span>.</p>
 
    <div class=example>
     <p>The following style sheet creates a green box in each corner of the

css3-page/Overview.src.html

@@ -882,12 +882,9 @@ <h3 id="margin-at-rules">At-rules for margin boxes</h3>
 
 <h3 id="populating-margin-boxes">Populating margin boxes</h3>
 
-<p>A margin box is instantiated if a margin context is established and one of the following conditions holds:</p>
-
-<ul>
-<li>The computed value of <span class="property">'content'</span> is not <span class="css">'none'</span>.</li>
-<li>Both <span class="property">'width'</span> and <span class="property">'height'</span> are set in the margin context.</li>
-</ul>
+<p>A margin box is instantiated if a margin context is established the
+computed value of <span class="property">'content'</span> is not
+<span class="css">'none'</span>.
 
 <div class="example">
 <p>The following style sheet creates a green box in each corner of the page