[css-grid] Be more specific that 'fr' is a unit for a dimension.

Author: tabatkins

css-grid/Overview.html

@@ -6,18 +6,18 @@
   <meta content="text/html; charset=utf-8" http-equiv=Content-Type>
   <title>CSS Grid Layout</title>
 
-  <link href="http://purl.org/dc/terms/" rel=schema.dc>
+  <link href="http://purl.org/dc/terms/" rel=schema.dcterms>
   <link href="http://www.w3.org/Consortium/Legal/ipr-notice#Copyright"
-   rel=dc.rights>
-  <meta content="CSS Grid Layout" name=dc.title>
-  <meta content=text name=dc.type>
-  <meta content=2013-04-04 name=dc.date>
-  <meta content="Tab Atkins Jr." name=dc.creator>
-  <meta content="Elika J. Etemad" name=dc.creator>
-  <meta content="Rossen Atanassov" name=dc.creator>
-  <meta content=W3C name=dc.publisher>
-  <meta content="http://www.w3.org/TR/2013/WD-css3-grid-layout-20130404/"
-   name=dc.identifier>
+   rel=dcterms.rights>
+  <meta content="CSS Grid Layout" name=dcterms.title>
+  <meta content=text name=dcterms.type>
+  <meta content=2013-04-25 name=dcterms.date>
+  <meta content="Tab Atkins Jr." name=dcterms.creator>
+  <meta content="Elika J. Etemad" name=dcterms.creator>
+  <meta content="Rossen Atanassov" name=dcterms.creator>
+  <meta content=W3C name=dcterms.publisher>
+  <meta content="http://www.w3.org/TR/2013/WD-css3-grid-layout-20130425/"
+   name=dcterms.identifier>
   <link href="../default.css" rel=stylesheet type="text/css">
   <link href="../csslogo.ico" rel="shortcut icon" type="image/x-icon">
   <link href="http://www.w3.org/StyleSheets/TR/W3C-WD.css" rel=stylesheet
@@ -59,14 +59,14 @@
 
    <h1 class=title id=title>CSS Grid Layout</h1>
 
-   <h2 class="no-num no-toc" id=longstatus-date>W3C Working Draft, 4 April
+   <h2 class="no-num no-toc" id=longstatus-date>W3C Working Draft, 25 April
     2013</h2>
 
    <dl>
     <dt>This version:
 
     <dd><a
-     href="http://www.w3.org/TR/2013/WD-css3-grid-layout-20130404/">http://www.w3.org/TR/2013/WD-css3-grid-layout-20130404/</a>
+     href="http://www.w3.org/TR/2013/WD-css3-grid-layout-20130425/">http://www.w3.org/TR/2013/WD-css3-grid-layout-20130425/</a>
      <!-- <dd><a href="http://dev.w3.org/csswg/css3-grid-layout/">http://dev.w3.org/csswg/css3-grid-layout/</a> -->
 
     <dt>Latest version:
@@ -1583,7 +1583,8 @@ <h4 id=repeat-notation><span class=secno>5.1.2. </span> Repeating Rows and
   <h4 id=fr-unit><span class=secno>5.1.3. </span> Flexible Lengths: the
    ‘<code class=css>fr</code>’ unit</h4>
 
-  <p> The ‘<code class=css>fr</code>’ unit represents a fraction of the
+  <p> A <dfn id=flexible-length>flexible length</dfn> is a dimension with the
+   ‘<code class=css>fr</code>’ unit, which represents a fraction of the
    <a href="#free-space"><i>free space</i></a> in the <a
    href="#grid-container"><i>grid container</i></a>.
 
@@ -3825,6 +3826,9 @@ <h2 class=no-num id=index> Index</h2>
    <li><var>&lt;flex></var>, <a href="#ltflex"
     title="section 5.1."><strong>5.1.</strong></a>
 
+   <li>flexible length, <a href="#flexible-length"
+    title="section 5.1.3."><strong>5.1.3.</strong></a>
+
    <li>free space, <a href="#free-space"
     title="section 5.1.3."><strong>5.1.3.</strong></a>
 

css-grid/Overview.src.html

@@ -1172,7 +1172,8 @@ <h4 id='fr-unit'>
 Flexible Lengths: the ''fr'' unit</h4>
 
 	<p>
-		The ''fr'' unit represents a fraction of the <i>free space</i> in the <i>grid container</i>.
+		A <dfn>flexible length</dfn> is a dimension with the ''fr'' unit,
+		which represents a fraction of the <i>free space</i> in the <i>grid container</i>.
 
 	<p>
 		The distribution of <i>free space</i> occurs after all non-flexible <i>sizing functions</i> have reached their maximum.