anchor.diff:                                      after
                                           0 -> no_message
                                       end,
  -                                ?ct_fail("expected message ~p but got \"~p\"", [??MsgPattern, ActualMessage])
  +                                ?ct_fail("expected message ~s but got \"~w\"", [??MsgPattern, ActualMessage])
                           end
                       MsgPattern -> ok
                   after
  
positive.code:                     Any ->
                          ct:pal("Failed: Stacktrace ~p~n",
                                 [erlang:get_stacktrace()]),
                          ?ct_fail("~p evaluated to \"~p\" which is "
                                 "not the expected ~p~n"
                                 "(~p)",
                                 [??Actual, Any, ??ExpectedPattern, lists:flatten(Note)])
                  end
          end()).
  
negative.code:                     Any ->
                          ct:pal("Failed: Stacktrace ~p~n",
                                 [erlang:get_stacktrace()]),
                          ?ct_fail("~s evaluated to \"~w\" which is "
                                 "not the expected ~s that evaluates to \"~w\~n"
                                 "(~w)",
                                 [??Actual, Any, ??Expected, ExpectedVal, lists:flatten(Note)])
                  end
          end()).
  