--- a/Nominal/Ex/Datatypes.thy Thu Nov 03 13:19:23 2011 +0000 +++ b/Nominal/Ex/Datatypes.thy Mon Nov 07 13:58:18 2011 +0000 @@ -8,7 +8,6 @@ atom_decl - example by John Matthews *) - nominal_datatype 'a Maybe = Nothing | Just 'a