Ticket #6639: 6639.patch

_source/core/htmlparser/element.js

@@ -35 +35 @@
         this.children = [];
 
         var tagName = attributes[ 'data-cke-real-element-type' ] || name;
+        if ( tagName.indexOf( ':' ) >= 0 )
+                tagName = tagName.split( ':' )[ 1 ];
 
         var dtd                 = CKEDITOR.dtd,
                 isBlockLike     = !!( dtd.$nonBodyContent[ tagName ] || dtd.$block[ tagName ] || dtd.$listItem[ tagName ] || dtd.$tableContent[ tagName ] || dtd.$nonEditable[ tagName ] || tagName == 'br' ),