diff -uNr sw.old/source/core/doc/docnum.cxx sw.new/source/core/doc/docnum.cxx
--- sw.old/source/core/doc/docnum.cxx	2007-07-26 16:18:48.000000000 +0800
+++ sw.new/source/core/doc/docnum.cxx	2007-11-20 10:19:11.683875200 +0800
@@ -1213,7 +1213,7 @@
 	{
 		SwUndoInsNum* pUndo = 0;
 		SwHistory* pHistory = 0;
-		if( DoesUndo() && pRule->IsAutoRule() )
+		if( DoesUndo() )
 		{
 			ClearRedo();
 			pUndo = new SwUndoInsNum( *pRule, rRule );