--- a/src/HOL/Library/Quicksort.thy Thu Jun 26 10:06:54 2008 +0200
+++ b/src/HOL/Library/Quicksort.thy Thu Jun 26 10:07:01 2008 +0200
@@ -6,7 +6,7 @@
header{*Quicksort*}
theory Quicksort
-imports Multiset
+imports Plain Multiset
begin
context linorder