anchor.diff:  
   %% @doc Update a CDMI dataobject
   -spec nebula2_dataobjects:update_dataobject(cowboy_req:req(),
  -											cdmi_state(),
  -											object_oid(),
  -											map()) -> {boolean(), cowboy_req:req(), cdmi_state()}.
  +                                            cdmi_state(),
  +                                            object_oid(),
  +                                            map()) -> {boolean(), cowboy_req:req(), cdmi_state()}.
   update_dataobject(Req, State, Oid, NewData) when is_tuple(State), is_binary(Oid), is_map(NewData) ->
       ?nebMsg("Entry"),
       {Pid, _EnvMap} = State,
  
positive.code: %% ====================================================================
  %% eunit tests
  %% ====================================================================
  -ifdef(EUNIT).
  nebula2_dataobjects_test_() ->
      {foreach,
       fun() ->
  
negative.code:     Data3 = nebula2_utils:update_data_system_metadata(CList, Data2, State),
      Data4 = nebula2_db:marshall(Data3),
      case nebula2_db:update(Pid, Oid, Data4) of
          {ok, _Updated} ->
              {true, Req, State};
          _  ->
              {false, Req, State}
      end.
  
  %% ====================================================================
  