anchor.diff:  
   handle_A(Pkt, SvcName, Dict, Dict0, App, #request{transport = TPid} = Req) ->
       try
  -        incr_A(recv, Pkt, Dict, TPid, Dict0) %% count incoming result codes
  +        incr_A(recv, Pkt, Dict, TPid, Dict0) %% count incoming
       of
           _ -> answer(Pkt, SvcName, App, Req)
       catch
  
positive.code: incr_A(_, #diameter_packet{msg = undefined = No}, _, _, _) ->
      No;
  
  %% Incoming with decode errors.
  incr_A(recv = D, #diameter_packet{header = H, errors = [_|_]}, _, TPid, _) ->
      incr(TPid, {diameter_codec:msg_id(H), D, error});
  
  %% Incoming without errors or outgoing. Outgoing with encode errors
  %% never gets here since encode fails.
  incr_A(Dir, Pkt, Dict, TPid, Dict0) ->
      #diameter_packet{header = #diameter_header{is_error = E}
                              = Hdr,
                       msg = Msg}
          = Pkt,
  
      %% Exit on a missing result code.
      T = rc_counter(Dict, Msg),
  
negative.code:     Pkt = encode(Dict,
                   reset(make_answer_packet(Msg, ReqPkt), Dict, Dict0),
                   Fs),
      incr_A(send, Pkt, Dict, TPid, Dict0),  %% count outgoing
      send(TPid, Pkt).
  
  %% reset/3
  