--- sw/source/filter/ww8/wrtw8nds.cxx	2007-05-30 11:58:48.000000000 +0800
+++ sw/source/filter/ww8/wrtw8nds.cxx	2007-05-30 11:57:24.000000000 +0800
@@ -1155,6 +1155,8 @@ 
         ASSERT(!this, "Unhandled option for toc export");
         break;
     }
+	if( !sTxt.Len() )
+        FieldVanish( sTxt );
 }
 
 int WW8_SwAttrIter::OutAttrWithRange(xub_StrLen nPos)