diff -r a1da544e2652 -r 13e6a4e70219 src/HOL/Mutabelle/lib/Tools/mutabelle
--- a/src/HOL/Mutabelle/lib/Tools/mutabelle	Wed Jul 20 08:16:35 2011 +0200
+++ b/src/HOL/Mutabelle/lib/Tools/mutabelle	Wed Jul 20 08:16:36 2011 +0200
@@ -85,11 +85,11 @@
 
 ML {*
 val mtds = [
-  MutabelleExtra.quickcheck_mtd (Config.put Quickcheck.tester \"random\") \"random\",
-  MutabelleExtra.quickcheck_mtd (Config.put Quickcheck.tester \"exhaustive\") \"exhaustive\",
-  MutabelleExtra.quickcheck_mtd (Config.put Quickcheck.tester \"exhaustive\" #> Config.put Quickcheck.finite_types false) \"exhaustive_nft\",
-  MutabelleExtra.quickcheck_mtd (Config.put Quickcheck.tester \"narrowing\" #> Config.put Quickcheck.finite_types false) \"narrowing\",
-  MutabelleExtra.quickcheck_mtd (Config.put Quickcheck.tester \"narrowing\" #> Config.put Quickcheck.finite_types false
+  MutabelleExtra.quickcheck_mtd (Context.proof_map (Quickcheck.set_active_testers [\"random\"])) \"random\",
+  MutabelleExtra.quickcheck_mtd (Context.proof_map (Quickcheck.set_active_testers [\"exhaustive\"])) \"exhaustive\",
+  MutabelleExtra.quickcheck_mtd (Context.proof_map (Quickcheck.set_active_testers [\"exhaustive\"]) #> Config.put Quickcheck.finite_types false) \"exhaustive_nft\",
+  MutabelleExtra.quickcheck_mtd (Context.proof_map (Quickcheck.set_active_testers [\"narrowing\"]) #> Config.put Quickcheck.finite_types false) \"narrowing\",
+  MutabelleExtra.quickcheck_mtd (Context.proof_map (Quickcheck.set_active_testers [\"narrowing\"]) #> Config.put Quickcheck.finite_types false
     #> Context.proof_map (Quickcheck.map_test_params (apfst (K [@{typ nat}])))) \"narrowing_nat\"  
 (*  MutabelleExtra.nitpick_mtd *)
 ]