--- a/src/Pure/Isar/isar_thy.ML Wed Jun 22 11:20:45 2005 +0200
+++ b/src/Pure/Isar/isar_thy.ML Wed Jun 22 18:26:28 2005 +0200
@@ -327,10 +327,9 @@
val print_result = Pretty.writeln oo pretty_results;
fun print_result' ctxt (k, res) = print_result ctxt ((k, ""), res);
-fun cond_print_result_rule int = if int
- then (print_result',
- priority oo (Pretty.string_of oo pretty_rule "Successful attempt"))
- else (K (K ()), K (K ()));
+fun cond_print_result_rule true =
+ (print_result', priority oo (Pretty.string_of oo pretty_rule "Successful attempt"))
+ | cond_print_result_rule false = (K (K ()), K (K ()));
fun proof'' f = Toplevel.proof' (f o cond_print_result_rule);