--- a/UIObjectView.st	Fri Nov 06 12:29:45 2009 +0100
+++ b/UIObjectView.st	Tue Nov 10 13:36:58 2009 +0100
@@ -1834,7 +1834,7 @@
 hasUndoHistory
     "returns true if undos exists"
 
-    ^ undoHistory isEmpty not
+    ^ undoHistory notEmpty
 !
 
 isModified