[Pharo-project] Issue 3443 in pharo: Should remove Sophie Undo classes

Status: Accepted Owner: stephane.ducasse Labels: Milestone-1.2 New issue 3443 by stephane.ducasse: Should remove Sophie Undo classes http://code.google.com/p/pharo/issues/detail?id=3443 Now that we have the new implementation for the undo we should remove the sophie classes.