diff -r c4a698ee83b4 -r af3ff2ba4c54 src/CTT/ex/Synthesis.thy
--- a/src/CTT/ex/Synthesis.thy	Sat Mar 13 16:37:15 2010 +0100
+++ b/src/CTT/ex/Synthesis.thy	Sat Mar 13 16:44:12 2010 +0100
@@ -1,5 +1,4 @@
 (*  Title:      CTT/ex/Synthesis.thy
-    ID:         $Id$
     Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     Copyright   1991  University of Cambridge
 *)