Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 7618)
+++ /CKEditor/trunk/CHANGES.html	(revision 7619)
@@ -59,4 +59,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/9311">#9311</a> : Fixed vertical scroll impossible when autogrow plugin used when editor maximized.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/1961">#1961</a> : The "id" attribute will be appended to anchors alongside with the "name" attribute.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/9219">#9219</a> : Protect the &lt;source&gt; element while parsing the contents.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/plugins/htmldataprocessor/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/htmldataprocessor/plugin.js	(revision 7618)
+++ /CKEditor/trunk/_source/plugins/htmldataprocessor/plugin.js	(revision 7619)
@@ -311,5 +311,5 @@
 	}
 
-	var protectElementRegex = /<(a|area|img|input)\b([^>]*)>/gi,
+	var protectElementRegex = /<(a|area|img|input|source)\b([^>]*)>/gi,
 		protectAttributeRegex = /\b(on\w+|href|src|name)\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|(?:[^ "'>]+))/gi;