--- a/src/HOL/Auth/Guard/Proto.thy Fri Jun 17 11:35:35 2005 +0200
+++ b/src/HOL/Auth/Guard/Proto.thy Fri Jun 17 16:12:49 2005 +0200
@@ -11,7 +11,7 @@
header{*Other Protocol-Independent Results*}
-theory Proto = Guard_Public:
+theory Proto imports Guard_Public begin
subsection{*protocols*}