diff -r 179ff9cb160b -r 5b25fee0362c src/Tools/IsaPlanner/zipper.ML
--- a/src/Tools/IsaPlanner/zipper.ML	Wed Mar 04 10:43:39 2009 +0100
+++ b/src/Tools/IsaPlanner/zipper.ML	Wed Mar 04 10:45:52 2009 +0100
@@ -1,5 +1,4 @@
 (*  Title:      Tools/IsaPlanner/zipper.ML
-    ID:		$Id$
     Author:     Lucas Dixon, University of Edinburgh
 
 A notion roughly based on Huet's Zippers for Isabelle terms.