anchor.diff:  
   filter_auths(Auths, Req_dir) ->
       case filter_auths(Auths, Req_dir, []) of
  -        [] when Req_dir =:= "/" ->
  +        [] when Req_dir =:= "/" orelse Req_dir =:= "." ->
               [];
           [] ->
               filter_auths(Auths, filename:dirname(Req_dir));
  
positive.code:     case lists:keyfind(Path, #proxy_cfg.prefix, RevConf) of
          #proxy_cfg{}=R ->
              {true, R};
          false when Path == "/" ->
              false;
          false ->
              is_revproxy1(filename:dirname(Path), RevConf)
  
negative.code:     case lists:keyfind(Path, 1, RedirMap) of
          {Path, _Code, _Url, _AppendMod}=E ->
              {true, E};
          false when Path =:= "/" orelse Path =:= "." ->
              false;
          false ->
              is_redirect_map(filename:dirname(Path), RedirMap)
  