1.1 --- a/src/Tools/IsaPlanner/zipper.ML	Wed Mar 04 10:43:39 2009 +0100
     1.2 +++ b/src/Tools/IsaPlanner/zipper.ML	Wed Mar 04 10:45:52 2009 +0100
     1.3 @@ -1,5 +1,4 @@
     1.4  (*  Title:      Tools/IsaPlanner/zipper.ML
     1.5 -    ID:		$Id$
     1.6      Author:     Lucas Dixon, University of Edinburgh
     1.7  
     1.8  A notion roughly based on Huet's Zippers for Isabelle terms.