src/Pure/Isar/calculation.ML
changeset 56894 fa12200276bf
parent 56334 6b3739fee456
child 58011 bc6bced136e5
--- a/src/Pure/Isar/calculation.ML	Wed May 07 10:42:19 2014 +0200
+++ b/src/Pure/Isar/calculation.ML	Wed May 07 11:50:30 2014 +0200
@@ -118,9 +118,9 @@
     val ctxt' = Proof.context_of state';
     val _ =
       if int then
-        Pretty.writeln
-          (Proof_Context.pretty_fact ctxt'
-            (Proof_Context.full_name ctxt' (Binding.name calculationN), calc))
+        Proof_Context.pretty_fact ctxt'
+          (Proof_Context.full_name ctxt' (Binding.name calculationN), calc)
+        |> Pretty.string_of |> Output.urgent_message
       else ();
   in state' |> final ? (put_calculation NONE #> Proof.chain_facts calc) end;