diff -r c4a698ee83b4 -r af3ff2ba4c54 src/Sequents/S4.thy
--- a/src/Sequents/S4.thy	Sat Mar 13 16:37:15 2010 +0100
+++ b/src/Sequents/S4.thy	Sat Mar 13 16:44:12 2010 +0100
@@ -1,5 +1,4 @@
-(*  Title:      Modal/S4.thy
-    ID:         $Id$
+(*  Title:      Sequents/S4.thy
     Author:     Martin Coen
     Copyright   1991  University of Cambridge
 *)