structuredAttrs is enabled

trying https://addons.mozilla.org/firefox/downloads/file/4900467/tree_style_tab-4.3.6.xpi
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
 22  1.23M  22 286.1k   0      0 232.4k      0   00:05   00:01   00:04 285.3k
 38  1.23M  38 494.1k   0      0 220.6k      0   00:05   00:02   00:03 245.6k
 77  1.23M  77 990.1k   0      0 305.4k      0   00:04   00:03   00:01 328.5k
100  1.23M 100  1.23M   0      0 355.5k      0   00:03   00:03         328.5k
100  1.23M 100  1.23M   0      0 355.5k      0   00:03   00:03         328.5k
100  1.23M 100  1.23M   0      0 355.5k      0   00:03   00:03         328.5k