[] (0) plugins release the storage mutex

git-svn-id: http://svn.whatwg.org/webapps@3019 340c8d12-0b0e-0410-8428-c7bf67bfef74

index

   either free, or owned by a particular <a href=#event-loop>event loop</a> or
   instance of the <a href=#fetch title=fetch>fetching</a> algorithm.</p>
 
+  <p>Whenever a <a href=#concept-script title=concept-script>script</a> calls into
+  a <a href=#plugin>plugin</a>, and whenever a <a href=#plugin>plugin</a> calls into
+  a <a href=#concept-script title=concept-script>script</a>, the user agent must
+  release the <a href=#storage-mutex>storage mutex</a>.</p>
+
+
 
   <h5 id=processing-model-2><span class=secno>5.5.4.2 </span>Processing model</h5>
 

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   either free, or owned by a particular <span>event loop</span> or
   instance of the <span title="fetch">fetching</span> algorithm.</p>
 
+  <p>Whenever a <span title="concept-script">script</span> calls into
+  a <span>plugin</span>, and whenever a <span>plugin</span> calls into
+  a <span title="concept-script">script</span>, the user agent must
+  release the <span>storage mutex</span>.</p>
+
+
 
   <h5>Processing model</h5>