anchor.diff:  content_types_accepted(Req, State) ->
       {[
        {<<"text/plain">>, echo_parser},
  -     {<<"application/protobuf">>, echo_parser}, %% for heroku
  -     {<<"application/protobuf+vnd.simplox.multirequest">>, echo_parser}
  +     {<<"application/protobuf">>, multirequest_parser}, %% for heroku
  +     {<<"application/protobuf+vnd.simplox.multirequest">>, multirequest_parser}
       ], Req, State}.
   
   
   echo_parser(Req2, State=#state{boundary=Boundary}) ->
  -    IOData= [<<"--gc0p4Jq0M2Yt08jU534c0p
  -X-Status: 200
  -Content-Location: http://httpbin.org/get
  -Connection: keep-alive
  -Content-Length: 152
  -Server: gunicorn/0.17.4
  -Date: Thu, 21 Nov 2013 17:00:33 GMT
  -Content-Type: application/json
  -Access-Control-Allow-Origin: *
  -
  -
  -{
  -  \"args\": {},
  -  \"headers\": {
  -    \"Host\": \"httpbin.org\",
  -    \"Connection\": \"close\"
  -  },
  -  \"url\": \"http://httpbin.org/get\",
  -  \"origin\": \"159.54.131.7\"
  -}
  -">>],
  -    Req3 = cowboy_req:set_resp_body(IOData,
  +    Req3 = cowboy_req:set_resp_body(dummy_data(),
   				    cowboy_req:set_resp_header(
   				      <<"content-type">>,
   				      <<"multipart/mixed; boundary=", Boundary/binary>>,
  
positive.code:             {{stream, StreamFun}, Req3, State2} = streaming_multipart_response(Req2, State),
              Req4 = cowboy_req:set_resp_header(
  	       <<"content-type">>,
  	       <<"text/plain">>,
  	       cowboy_req:set_resp_body_fun(StreamFun, Req3)),
                 {true, Req4, State2}
      end.
  
negative.code:     end.
  
  stream_loop(_Req, _State, Socket, Transport) ->
      Transport:send(Socket, dummy_data()),
      ok.
  
  
  