anchor.diff:      ErrorsJson = couch_rep_httpc:request(Db#http_db{
           resource = "_bulk_docs",
           method = post,
  -        body = {fun upload_docs/1, {start, Docs}},
  +        body = {fun upload_docs/1, {start, self(), Docs}},
           headers = [{"transfer-encoding", "chunked"} | Db#http_db.headers]
       }),
       ErrorsList =
  
positive.code:         end,
          Parent ! {writer_checkpoint, HighSeq},
          couch_rep_att:cleanup(),
          writer_loop(Parent, Reader, Target)
      end.
  
  
negative.code:     Size = size(Data),
      {Size, [ibrowse_lib:dec2hex(8, Size), "\r\n", Data, "\r\n"]}.
  
  upload_docs({start, W, Docs}) ->
      {Size, Chunk} = make_chunk(<<"{\"new_edits\":false, \"docs\":[">>),
      {ok, Chunk, {continue, W, Docs, "", Size}};
  upload_docs({continue, W, Docs, _, ByteCount}) when ByteCount > ?MAX_BYTES ->
      W ! {docs_remaining, length(Docs)},
      {ok, "2\r\n]}\r\n", last_chunk};
  upload_docs({continue, W, [Doc|Rest], Prepend, ByteCount}) ->
      JsonDoc = ?JSON_ENCODE(couch_doc:to_json_obj(Doc, [revs,attachments])),
      {Size, Chunk} = make_chunk([Prepend, JsonDoc]),
      {ok, Chunk, {continue, W, Rest, ",", ByteCount+Size}};
  upload_docs({continue, W, [], _, _}) ->
      W ! {docs_remaining, 0},
      {ok, "2\r\n]}\r\n", last_chunk};
  upload_docs(last_chunk) ->
      {ok, "0\r\n\r\n", finish};
  upload_docs(finish) ->
      couch_util:should_flush(),
      eof.
      
  writer_loop(Parent, Reader, Target) ->
  