diff -r dc6be28d7f4e -r c69542757a4d src/HOL/Library/Multiset.thy
--- a/src/HOL/Library/Multiset.thy	Mon Aug 16 14:21:54 2004 +0200
+++ b/src/HOL/Library/Multiset.thy	Mon Aug 16 14:22:27 2004 +0200
@@ -5,7 +5,9 @@
 
 header {* Multisets *}
 
-theory Multiset = Accessible_Part:
+theory Multiset
+import Accessible_Part
+begin
 
 subsection {* The type of multisets *}