--- a/src/HOL/Library/List_lexord.thy Thu Jun 26 10:06:54 2008 +0200
+++ b/src/HOL/Library/List_lexord.thy Thu Jun 26 10:07:01 2008 +0200
@@ -6,7 +6,7 @@
header {* Lexicographic order on lists *}
theory List_lexord
-imports List
+imports Plain List
begin
instantiation list :: (ord) ord