src/Pure/unify.ML
changeset 3991 4cb2f2422695
parent 2753 bcde71e5f371
child 4270 957c887b89b5
--- a/src/Pure/unify.ML	Fri Oct 24 17:12:35 1997 +0200
+++ b/src/Pure/unify.ML	Fri Oct 24 17:13:21 1997 +0200
@@ -41,7 +41,7 @@
 and trace_types = ref false	(*announce potential incompleteness
 				  of type unification*)
 
-val sgr = ref(Sign.proto_pure);
+val sgr = ref(Sign.pre_pure);
 
 type binderlist = (string*typ) list;