[css-flexbox] Switch omitted flex-basis from 0 to 0% per <http://lists.w3.org/Archives/Public/www-style/2013May/0614.html>... this needs review, though

Author: fantasai

css-flexbox/Overview.html

@@ -2014,7 +2014,7 @@ <h3 id=flex-property><span class=secno>7.1. </span> The ‘<a
      size</i></a> of the <a href="#flex-item"><i>flex item</i></a>, before
      free space is distributed according to the flex factors. When omitted
      from the ‘<a href="#flex"><code class=property>flex</code></a>’
-     shorthand, its specified value is the length zero.
+     shorthand, its specified value is ‘<code class=css>0%</code>’.
 
     <p> If the specified ‘<a href="#flex-basis-propdef"><code
      class=property>flex-basis</code></a>’ is <a
@@ -2106,7 +2106,7 @@ <h3 id=flex-common><span class=secno>7.2. </span> Common Values of ‘<a
    <dt>‘<code class=css>flex: &lt;positive-number></code>’
 
    <dd> Equivalent to ‘<code class=css>flex: &lt;positive-number> 1
-    0px</code>’. Makes the flex item flexible and sets the <a
+    0%</code>’. Makes the flex item flexible and sets the <a
     href="#flex-basis"><i>flex basis</i></a> to zero, resulting in an item
     that receives the specified proportion of the free space in the flex
     container. If all items in the flex container use this pattern, their
@@ -3998,6 +3998,12 @@ <h2 class=no-num id=changes>Changes</h2>
    <li> Flex lines have their size floored at 0.
 
    <li> Flex items paint like inline blocks rather than blocks.
+
+   <li> An omitted ‘<a href="#flex-basis-propdef"><code
+    class=property>flex-basis</code></a>’ component of the ‘<a
+    href="#flex"><code class=property>flex</code></a>’ shorthand now
+    resolves to ‘<code class=css>0%</code>’ instead of ‘<code
+    class=css>0px</code>’.
   </ul>
 
   <p>The following significant clarifications were also made:

css-flexbox/Overview.src.html

@@ -1494,7 +1494,7 @@ <h3 id='flex-property'>
 				and specifies the <dfn>flex basis</dfn>:
 				the initial <i>main size</i> of the <i>flex item</i>,
 				before free space is distributed according to the flex factors.
-				When omitted from the 'flex' shorthand, its specified value is the length zero. 
+				When omitted from the 'flex' shorthand, its specified value is ''0%''. 
 			<p>
 				If the specified 'flex-basis' is <a href="#flex-basis-auto">''auto''</a>,
 				the used <i>flex basis</i> is the value of the element's <i>main size property</i>.
@@ -1569,7 +1569,7 @@ <h3 id='flex-common'>
 
 		<dt>''flex: &lt;positive-number>''
 		<dd>
-			Equivalent to ''flex: &lt;positive-number> 1 0px''.
+			Equivalent to ''flex: &lt;positive-number> 1 0%''.
 			Makes the flex item flexible and sets the <i>flex basis</i> to zero,
 			resulting in an item that receives the specified proportion of the free space in the flex container.
 			If all items in the flex container use this pattern,
@@ -3267,6 +3267,8 @@ <h2 class="no-num" id="changes">Changes</h2>
 			Flex lines have their size floored at 0.
 		<li>
 			Flex items paint like inline blocks rather than blocks.
+		<li>
+			An omitted 'flex-basis' component of the 'flex' shorthand now resolves to ''0%'' instead of ''0px''.
 	</ul>
 
 	<p>The following significant clarifications were also made:

css-flexbox/issues-cr-2012.txt

@@ -159,6 +159,7 @@ Issue 21.
 Summary:  Clarify interaction of table fixup and flex itemizing
 From:     Christian Biesinger
 Comment:  http://lists.w3.org/Archives/Public/www-style/2013May/0508.html
+Response: http://lists.w3.org/Archives/Public/www-style/2013Jul/0462.html
 Open
 ----
 Issue 22.