anchor.diff:      deliver_xxx(CliSock, Req, 405, Methods_msg).
   
   deliver_416(CliSock, _Req, Tot) ->
  -    B = list_to_binary(["<html><h1>416 ",
  -                        yaws_api:code_to_phrase(416),
  -                        "</h1></html>"]),
  +    B = ["<html><h1>416 ", yaws_api:code_to_phrase(416), "</h1></html>"],
  +    Sz = iolist_size(B),
       H = #outh{status = 416,
                 doclose = true,
                 chunked = false,
  
positive.code:                     {S, [yaws:integer_to_hex(S), CRNL, Data, CRNL]}
              end;
          false ->
              {binary_size(Data), Data}
      end.
  
  make_final_chunk(Data) ->
      case yaws:outh_get_chunked() of
          true ->
              CRNL = crnl(),
              case binary_size(Data) of
                  0 ->
                      {0, ["0",CRNL,CRNL]};
                  S ->
  
negative.code:     undefined;
  send_streamcontent_chunk({Z, Priv}, CliSock, Data) ->
      ?Debug("send ~p bytes to ~p ~n",
             [iolist_size(Data), CliSock]),
      {ok, P, D} = yaws_zlib:gzipDeflate(Z, Priv, iolist_to_binary(Data), none),
      case make_chunk(D) of
          empty -> ok;
          {Size, Chunk} ->
  