diff -r 5f817bad850a -r 391913d17d15 src/HOL/Predicate_Compile_Examples/Lambda_Example.thy
--- a/src/HOL/Predicate_Compile_Examples/Lambda_Example.thy	Mon Jul 15 20:13:30 2013 +0200
+++ b/src/HOL/Predicate_Compile_Examples/Lambda_Example.thy	Mon Jul 15 20:36:27 2013 +0200
@@ -79,7 +79,10 @@
 
 section {* Manual setup to find counterexample *}
 
-setup {* Context.theory_map (Quickcheck.add_tester ("prolog", (Code_Prolog.active, Code_Prolog.test_goals))) *}
+setup {*
+  Context.theory_map
+    (Quickcheck.add_tester ("prolog", (Code_Prolog.active, Code_Prolog.test_goals)))
+*}
 
 setup {* Code_Prolog.map_code_options (K 
   { ensure_groundness = true,