diff -r 396be15b95d5 -r 0b6aff7451b2 src/HOL/Library/Abstract_Rat.thy
--- a/src/HOL/Library/Abstract_Rat.thy	Mon Mar 23 08:14:23 2009 +0100
+++ b/src/HOL/Library/Abstract_Rat.thy	Mon Mar 23 08:14:24 2009 +0100
@@ -1,12 +1,11 @@
 (*  Title:      HOL/Library/Abstract_Rat.thy
-    ID:         $Id$
     Author:     Amine Chaieb
 *)
 
 header {* Abstract rational numbers *}
 
 theory Abstract_Rat
-imports Plain GCD
+imports GCD Main
 begin
 
 types Num = "int \<times> int"