[css-syntax] Clarify :blank

Author: SimonSapin

selectors/Overview.html

@@ -11,7 +11,7 @@
    rel=dcterms.rights>
   <meta content="Selectors Level 4" name=dcterms.title>
   <meta content=text name=dcterms.type>
-  <meta content=2014-01-17 name=dcterms.date>
+  <meta content=2014-01-28 name=dcterms.date>
   <meta content="Elika J. Etemad" name=dcterms.creator>
   <meta content="Tab Atkins Jr." name=dcterms.creator>
   <meta content=W3C name=dcterms.publisher>
@@ -32,13 +32,13 @@
 
    <h1 id=title>Selectors Level 4</h1>
 
-   <h2 class="no-num no-toc">Editor's Draft 17 January 2014</h2>
+   <h2 class="no-num no-toc">Editor's Draft 28 January 2014</h2>
 
    <dl>
     <dt>This version:
 
     <dd><a href="http://dev.w3.org/csswg/selectors4/">
-     http://www.w3.org/TR/2014/ED-selectors4-20140117/</a>
+     http://www.w3.org/TR/2014/ED-selectors4-20140128/</a>
 
     <dt>Editor's draft:
 
@@ -3415,13 +3415,12 @@ <h3 id=the-empty-pseudo><span class=secno>12.2. </span> <a
   <h3 id=the-blank-pseudo><span class=secno>12.3. </span> <a
    href="#blank-pseudo"><code>:blank</code></a> pseudo-class</h3>
 
-  <p>The <dfn id=blank-pseudo>:blank</dfn> pseudo-class is identical to the
-   <a href="#empty-pseudo"><code>:empty</code></a> pseudo-class, except that
-   it additionally excludes <a
+  <p>The <dfn id=blank-pseudo>:blank</dfn> pseudo-class is like the <a
+   href="#empty-pseudo"><code>:empty</code></a> pseudo-class, except that it
+   additionally matches elements that only contain <a
    href="http://www.w3.org/TR/css3-text/#white-space-rules">characters
-   affected by whitespace processing</a> <a href="#ref-CSS3TEXT"
-   rel=biblioentry>[CSS3TEXT]<!--{{!CSS3TEXT}}--></a> when determining
-   whether an element is empty.
+   affected by whitespace processing</a>. <a href="#ref-CSS3TEXT"
+   rel=biblioentry>[CSS3TEXT]<!--{{!CSS3TEXT}}--></a>
 
   <div class=example>
    <p>For example, the following element matches <a

selectors/Overview.src.html

@@ -2387,8 +2387,9 @@ <h3 id="the-empty-pseudo">
 <h3 id='the-blank-pseudo'>
 <code>:blank</code> pseudo-class</h3>
 
-  <p>The <dfn id='blank-pseudo'>:blank</dfn> pseudo-class is identical to the <code>:empty</code> pseudo-class,
-    except that it additionally excludes <a href="http://www.w3.org/TR/css3-text/#white-space-rules">characters affected by whitespace processing</a> [[!CSS3TEXT]] when determining whether an element is empty.
+  <p>The <dfn id='blank-pseudo'>:blank</dfn> pseudo-class is like the <code>:empty</code> pseudo-class,
+    except that it additionally matches elements that only contain
+    <a href="http://www.w3.org/TR/css3-text/#white-space-rules">characters affected by whitespace processing</a>. [[!CSS3TEXT]]
 
   <div class='example'>
     <p>For example, the following element matches <code>:blank</code>,