src/Pure/pure.ML

--- a/src/Pure/pure.ML	Sat Nov 14 13:25:16 1998 +0100
+++ b/src/Pure/pure.ML	Sat Nov 14 13:25:34 1998 +0100
@@ -28,7 +28,7 @@
       PureThy.begin_theory "CPure" [ProtoPure.thy]
       |> Theory.add_syntax Syntax.pure_applC_syntax
       |> Theory.apply common_setup
-      |> Theory.prep_ext                  (*copy shared data!*)
+      |> Theory.copy
       |> PureThy.end_theory;
   end;
 end;