anchor.diff:  
   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   
  -zero_length(doc) ->
  -    ["Invalid zero packet size"];
  -zero_length(suite) ->
  -    [];
  +%% Invalid zero packet size
   zero_length(Config) when is_list(Config) ->
       ok = epmdrun(),
       {ok,Sock} = connect(),
  
positive.code: 
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  alive_req_too_small_2(doc) ->
      ["Try to register but not enough data"];
  alive_req_too_small_2(suite) ->
      [];
  alive_req_too_small_2(Config) when is_list(Config) ->
      ok = epmdrun(),
      {ok,Sock} = connect(),
  
negative.code: 
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  %% Send one byte only
  one_byte(Config) when is_list(Config) ->
      ok = epmdrun(),
      {ok,Sock} = connect(),
  