--- a/src/HOL/Library/Sublist_Order.thy Thu Jun 26 10:06:54 2008 +0200
+++ b/src/HOL/Library/Sublist_Order.thy Thu Jun 26 10:07:01 2008 +0200
@@ -7,7 +7,7 @@
header {* Sublist Ordering *}
theory Sublist_Order
-imports Main
+imports Plain List
begin
text {*