--- a/src/HOL/Product_Type.thy Tue Jun 16 16:26:40 2009 +0200
+++ b/src/HOL/Product_Type.thy Tue Jun 16 16:36:56 2009 +0200
@@ -1,5 +1,4 @@
(* Title: HOL/Product_Type.thy
- ID: $Id$
Author: Lawrence C Paulson, Cambridge University Computer Laboratory
Copyright 1992 University of Cambridge
*)