structuredAttrs is enabled

trying https://addons.mozilla.org/firefox/downloads/file/3423600/purple_private_windows-1.1.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
100   9916 100   9916   0      0 303.1k      0                              0
100   9916 100   9916   0      0 302.5k      0                              0
100   9916 100   9916   0      0 302.0k      0                              0