src/Pure/Thy/thy_output.ML
changeset 46950 d0181abdbdac
parent 46947 b8c7eb0c2f89
child 46957 0c15caf47040
--- a/src/Pure/Thy/thy_output.ML	Thu Mar 15 20:07:00 2012 +0100
+++ b/src/Pure/Thy/thy_output.ML	Thu Mar 15 22:08:53 2012 +0100
@@ -626,6 +626,8 @@
 
 (* embedded lemma *)
 
+val _ = Keyword.keyword "by";
+
 val _ =
   Context.>> (Context.map_theory
    (antiquotation (Binding.name "lemma")