--- a/doc-src/TutorialI/Sets/Relations.thy Fri Jun 17 11:35:35 2005 +0200
+++ b/doc-src/TutorialI/Sets/Relations.thy Fri Jun 17 16:12:49 2005 +0200
@@ -1,5 +1,5 @@
(* ID: $Id$ *)
-theory Relations = Main:
+theory Relations imports Main begin
ML "Pretty.setmargin 64"