# HG changeset patch
# User wenzelm
# Date 1165510728 -3600
# Node ID 49da72cad42d711068cb89d570f9d97323efdc82
# Parent  f3c78a133fbbb6ab5326f263d6bca16f70488df1
tuned pretty_src output;

diff -r f3c78a133fbb -r 49da72cad42d src/Pure/Isar/args.ML
--- a/src/Pure/Isar/args.ML	Thu Dec 07 17:58:46 2006 +0100
+++ b/src/Pure/Isar/args.ML	Thu Dec 07 17:58:48 2006 +0100
@@ -164,10 +164,12 @@
 
 fun pretty_src ctxt src =
   let
+    val prt_thm = Pretty.backquote o ProofContext.pretty_thm ctxt;
     fun prt (Arg (_, Value (SOME (Text s)))) = Pretty.str (quote s)
       | prt (Arg (_, Value (SOME (Typ T)))) = ProofContext.pretty_typ ctxt T
       | prt (Arg (_, Value (SOME (Term t)))) = ProofContext.pretty_term ctxt t
-      | prt (Arg (_, Value (SOME (Fact ths)))) = ProofContext.pretty_thms ctxt ths
+      | prt (Arg (_, Value (SOME (Fact ths)))) =
+          Pretty.enclose "(" ")" (Pretty.breaks (map prt_thm ths))
       | prt arg = Pretty.str (string_of arg);
     val (s, args) = #1 (dest_src src);
   in Pretty.block (Pretty.breaks (Pretty.str s :: map prt args)) end;