anchor.diff:          true ->
               true;
           false ->
  -            case wrq:path_tokens(RD) of
  +            case path_tokens(RD) of
                   [_,Options|_] ->
                       0 < string:str(Options, Param);
                   _ ->
  
positive.code:             end
      end.
  
  parse_start_time(RD) ->
      time_param(RD, "s", 3, calendar:universal_time()).
  
  
negative.code: time_param(RD, Param, N, Default) ->
      case wrq:get_qs_value(Param, RD) of
          undefined ->
              case catch lists:nth(N, path_tokens(RD)) of
                  {'EXIT', _} ->
                      {ok, Default};
                  TimeString ->
  