anchor.diff:      JsonRevs = ?b2l(?JSON_ENCODE(couch_doc:revs_to_strs(Revs))),
       options_to_query_args(Rest, [{"open_revs", JsonRevs} | Acc]).
   
  -
  --define(MAX_URL_LEN, 7000).
  -
  -atts_since_arg(_UrlLen, [], Acc) ->
  +atts_since_arg(_UrlLen, [], _MaxLen, Acc) ->
       lists:reverse(Acc);
  -atts_since_arg(UrlLen, [PA | Rest], Acc) ->
  +atts_since_arg(UrlLen, [PA | Rest], MaxLen, Acc) ->
       RevStr = couch_doc:rev_to_str(PA),
       NewUrlLen = case Rest of
       [] ->
  
positive.code:     ]}.
  
  
  options_to_query_args(HttpDb, Path, Options) ->
      case lists:keytake(atts_since, 1, Options) of
      false ->
          options_to_query_args(Options, []);
  
negative.code:     ]).
  
  -define(MAX_WAIT, 5 * 60 * 1000).
  
  -define(MAX_URL_LEN, 7000).
  -define(MIN_URL_LEN, 200).
  
  db_uri(#httpdb{url = Url}) ->
      couch_util:url_strip_password(Url);
  