src/HOL/Prolog/prolog.ML
changeset 32740 9dd0a2f83429
parent 32283 3bebc195c124
child 32952 aeb1e44fbc19
--- a/src/HOL/Prolog/prolog.ML	Tue Sep 29 14:59:24 2009 +0200
+++ b/src/HOL/Prolog/prolog.ML	Tue Sep 29 16:24:36 2009 +0200
@@ -2,7 +2,7 @@
     Author:   David von Oheimb (based on a lecture on Lambda Prolog by Nadathur)
 *)
 
-set Proof.show_main_goal;
+Unsynchronized.set Proof.show_main_goal;
 
 structure Prolog =
 struct