diff -r 6061ae1f90f2 -r 9bc16273c2d4 doc-src/TutorialI/Protocol/NS_Public.thy
--- a/doc-src/TutorialI/Protocol/NS_Public.thy	Fri Jun 17 11:35:35 2005 +0200
+++ b/doc-src/TutorialI/Protocol/NS_Public.thy	Fri Jun 17 16:12:49 2005 +0200
@@ -7,7 +7,7 @@
 Version incorporating Lowe's fix (inclusion of B's identity in round 2).
 *)
 
-theory NS_Public = Public:
+theory NS_Public imports Public begin
 
 consts  ns_public  :: "event list set"