Index: /FCKeditor/trunk/editor/_source/internals/fck.js
===================================================================
--- /FCKeditor/trunk/editor/_source/internals/fck.js	(revision 192)
+++ /FCKeditor/trunk/editor/_source/internals/fck.js	(revision 193)
@@ -296,6 +296,6 @@
 			sTags += '|ABBR' ;
 
-		var oRegex = new RegExp( '<(' + sTags + ')([ \>])', 'gi' ) ;
-		html = html.replace( oRegex, '<FCK:$1$2' ) ;
+		var oRegex = new RegExp( '<(' + sTags + ')(?!\w|:)', 'gi' ) ;
+		html = html.replace( oRegex, '<FCK:$1' ) ;
 
 		oRegex = new RegExp( '<\/(' + sTags + ')>', 'gi' ) ;