diff -r 6f549f5e7066 -r e9afca2118d4 src/Pure/Isar/proof_context.ML
--- a/src/Pure/Isar/proof_context.ML	Tue Nov 24 17:28:44 2009 +0100
+++ b/src/Pure/Isar/proof_context.ML	Wed Nov 25 09:13:46 2009 +0100
@@ -1340,7 +1340,7 @@
       val suppressed = len - ! prems_limit;
       val prt_prems = if null prems then []
         else [Pretty.big_list "prems:" ((if suppressed <= 0 then [] else [Pretty.str "..."]) @
-          map (Display.pretty_thm ctxt) ((uncurry drop) (suppressed, prems)))];
+          map (Display.pretty_thm ctxt) (drop suppressed prems))];
     in prt_structs @ prt_fixes @ prt_prems end;