anchor.diff:  	cowboy_http:connection_to_atom(Tokens).
   
   -spec response_head(http_status(), http_headers(), http_headers()) -> iolist().
  -response_head(Code, Headers, DefaultHeaders) ->
  -	StatusLine = <<"HTTP/1.1 ", (status(Code))/binary, "\r\n">>,
  +response_head(Status, Headers, DefaultHeaders) ->
  +	StatusLine = <<"HTTP/1.1 ", (status(Status))/binary, "\r\n">>,
   	Headers2 = [{header_to_binary(Key), Value} || {Key, Value} <- Headers],
   	Headers3 = lists:keysort(1, Headers2),
   	Headers4 = lists:ukeymerge(1, Headers3, DefaultHeaders),
  
positive.code: %% @doc Send a reply to the client.
  -spec reply(http_status(), http_headers(), iodata(), #http_req{})
  	-> {ok, #http_req{}}.
  reply(Code, Headers, Body, Req=#http_req{socket=Socket,
  		transport=Transport, connection=Connection,
  		method=Method, resp_state=waiting}) ->
  	RespConn = response_connection(Headers, Connection),
  	Head = response_head(Code, Headers, [
  		{<<"Connection">>, atom_to_connection(Connection)},
  		{<<"Content-Length">>,
  			list_to_binary(integer_to_list(iolist_size(Body)))},
  
negative.code: %% @see cowboy_http_req:chunk/2
  -spec chunked_reply(http_status(), http_headers(), #http_req{})
  	-> {ok, #http_req{}}.
  chunked_reply(Status, Headers, Req=#http_req{socket=Socket, transport=Transport,
  		connection=Connection, resp_state=waiting}) ->
  	RespConn = response_connection(Headers, Connection),
  	Head = response_head(Status, Headers, [
  		{<<"Connection">>, atom_to_connection(Connection)},
  		{<<"Transfer-Encoding">>, <<"chunked">>},
  		{<<"Date">>, cowboy_clock:rfc1123()},
  