anchor.diff:    M = [?HELLO,<<"realm1">>,[{}]],
     S = serialize(M,json),
     D = deserialize(S,json),
  -  D = {[{hello,<<"realm1">>,[{}]}],<<"">>}.
  +  D = {[{hello,<<"realm1">>,[]}],<<"">>}.
   
   roundtrip_test() ->
   
     Messages = [
  -              {hello,<<"realm1">>,[{}]}
  +              {hello,<<"realm1">>,[]}
                 ],
   
   
  
positive.code:                       {eligible,<<"eligible">>,false},
                        {exclude_me,<<"exclude_me">>,false},
                        {disclose_me,<<"disclose_me">>,false},
                        {publisher,<<"publisher">>,false},
                        {caller,<<"caller">>,false},
                        {receive_progress,<<"receive_progress">>,false},
                        {progress,<<"progress">>,false}
                        ]).
  
negative.code:                       {dealer,<<"dealer">>,true},
                        {publisher,<<"publisher">>,true},
                        {subscriber,<<"subscriber">>,true},
                        {caller,<<"caller">>,false},
                        {callee,<<"callee">>,false},
                        {features,<<"features">>,true},
                        {subscriber_blackwhite_listing,<<"subscriber_blackwhite_listing">>,false},
                        {publisher_exclusion,<<"publisher_exclusion">>,false},
  