anchor.diff:  do_expect({Err, To}) 
     when (is_atom(Err) andalso 
   	((is_integer(To) andalso To > 0) orelse (To =:= infinity))) ->
  -    io:format("EXPECT error ~w within ~w~n", [Err, To]),
  +    io_format_expect("error ~w within ~w", [Err, To]),
       do_expect({{error, Err}, To});
   
   do_expect({error, Err}) when is_atom(Err) ->
       Check = fun(_, R) -> R end,
  -    io:format("EXPECT error ~w~n", [Err]),
  +    io_format_expect("error ~w", [Err]),
       do_expect2(Check, any, Err, any, any, get_timeout());
   do_expect({{error, Err}, To}) ->
       Check = fun(_, R) -> R end,
  -    io:format("EXPECT error ~w within ~w~n", [Err, To]),
  +    io_format_expect("error ~w within ~w", [Err, To]),
       do_expect2(Check, any, Err, any, any, To);
   
   %% exp_varbinds() -> [exp_varbind()]
  
positive.code: 	   (_, Err) ->
  		Err
  	end,
      io:format("EXPECT 'inform-request' (error)"
  	      "~n   with"
  	      "~n      Error Status: ~p"
  	      "~n      Error Index:  ~p"
  	      "~n      Varbinds:     ~p~n", [EStat, EIdx, ExpVBs]),
      do_expect2(Check, 'inform-request', noError, 0, ExpVBs, get_timeout()).
  
  
  
negative.code: 	   (_, Err) ->
  		Err
  	end,
      io_format_expect("'inform-request' (true) with"
                       "~n      Varbinds: ~p", [ExpVBs]),
      do_expect2(Check, 'inform-request', noError, 0, ExpVBs, get_timeout());
  
  do_expect({inform, {error, EStat, EIdx}}, ExpVBs) 
  