anchor.diff:  
   
   
  -request_complete(Req, Response, AcceptStart, RequestStart,
  -                 HeadersEnd, BodyEnd, UserEnd, RequestEnd, _Args) ->
  +request_complete(_Req, _Response, _AcceptStart, _RequestStart,
  +                 _HeadersEnd, _BodyEnd, _UserEnd, _RequestEnd, _Args) ->
       %% io:format(
       %%   "REQUEST: ~s~n"
       %%   "    headers  : ~w us~n"
  
positive.code: -module(elli_example_callback).
  -export([handle/2, request_complete/9]).
  -export([request_throw/3, request_exit/3, request_error/3]).
  -export([chunk_loop/1]).
  -include("elli.hrl").
  -behaviour(elli_handler).
  
negative.code: 
      ok.
  
  request_throw(_Req, _Exception, _Stack, _Args) ->
      ok.
  
  request_exit(_Req, _Exit, _Stack, _Args) ->
      ok.
  
  request_error(_Req, _Error, _Stack, _Args) ->
      ok.
  