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
 64  1.23M  64 814.1k   0      0 796.9k      0   00:01   00:01         814.5k
100  1.23M 100  1.23M   0      0 760.1k      0   00:01   00:01         814.5k
100  1.23M 100  1.23M   0      0 760.0k      0   00:01   00:01         814.5k
100  1.23M 100  1.23M   0      0 760.0k      0   00:01   00:01         814.5k