[giow] (3) <input type=hidden> doesn't ever render

Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=19648
Affected topics: Rendering

git-svn-id: http://svn.whatwg.org/webapps@7765 340c8d12-0b0e-0410-8428-c7bf67bfef74

complete.html

 
 embed[hidden] { display: inline; height: 0; width: 0; }</pre> <!-- because for legacy reasons it still needs to instantiate the plugin -->
 
+<!--CLEANUP-->
   <p>The user agent is expected to force the 'display' property of
   <code><a href=#the-noscript-element>noscript</a></code> elements for whom <a href=#concept-n-script title=concept-n-script>scripting is enabled</a> to compute to
   'none', irrespective of CSS rules.</p>
 
+  <p>The user agent is expected to force the 'display' property of <code><a href=#the-input-element>input</a></code> elements whose
+  <code title=attr-input-type><a href=#attr-input-type>type</a></code> attribute is in the <a href="#hidden-state-(type=hidden)" title=attr-input-type-hidden>Hidden</a> state to compute to 'none', irrespective of CSS
+  rules.</p>
+
 
   <h4 id=the-page><span class=secno>14.3.2 </span>The page</h4>
 

index

 
 embed[hidden] { display: inline; height: 0; width: 0; }</pre> <!-- because for legacy reasons it still needs to instantiate the plugin -->
 
+<!--CLEANUP-->
   <p>The user agent is expected to force the 'display' property of
   <code><a href=#the-noscript-element>noscript</a></code> elements for whom <a href=#concept-n-script title=concept-n-script>scripting is enabled</a> to compute to
   'none', irrespective of CSS rules.</p>
 
+  <p>The user agent is expected to force the 'display' property of <code><a href=#the-input-element>input</a></code> elements whose
+  <code title=attr-input-type><a href=#attr-input-type>type</a></code> attribute is in the <a href="#hidden-state-(type=hidden)" title=attr-input-type-hidden>Hidden</a> state to compute to 'none', irrespective of CSS
+  rules.</p>
+
 
   <h4 id=the-page><span class=secno>14.3.2 </span>The page</h4>
 

source

 
 embed[hidden] { display: inline; height: 0; width: 0; }</pre> <!-- because for legacy reasons it still needs to instantiate the plugin -->
 
+<!--CLEANUP-->
   <p>The user agent is expected to force the 'display' property of
   <code>noscript</code> elements for whom <span
   title="concept-n-script">scripting is enabled</span> to compute to
   'none', irrespective of CSS rules.</p>
 
+  <p>The user agent is expected to force the 'display' property of <code>input</code> elements whose
+  <code title="attr-input-type">type</code> attribute is in the <span
+  title="attr-input-type-hidden">Hidden</span> state to compute to 'none', irrespective of CSS
+  rules.</p>
+
 
   <h4>The page</h4>