--- a/doc-src/TutorialI/Misc/Plus.thy Fri Jun 17 11:35:35 2005 +0200
+++ b/doc-src/TutorialI/Misc/Plus.thy Fri Jun 17 16:12:49 2005 +0200
@@ -1,5 +1,5 @@
(*<*)
-theory Plus = Main:
+theory Plus imports Main begin
(*>*)
text{*\noindent Define the following addition function *}