diff -r 348aed032cda -r 36ffe23b25f8 src/HOL/Groups.thy --- a/src/HOL/Groups.thy Sat May 25 15:00:53 2013 +0200 +++ b/src/HOL/Groups.thy Sat May 25 15:37:53 2013 +0200 @@ -121,7 +121,7 @@ simproc_setup reorient_zero ("0 = x") = Reorient_Proc.proc simproc_setup reorient_one ("1 = x") = Reorient_Proc.proc -typed_print_translation (advanced) {* +typed_print_translation {* let fun tr' c = (c, fn ctxt => fn T => fn ts => if not (null ts) orelse T = dummyT orelse