structuredAttrs is enabled

trying https://addons.mozilla.org/firefox/downloads/file/4187690/youtube_nonstop-0.9.2.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  84397 100  84397   0      0 275.3k      0                              0
100  84397 100  84397   0      0 275.2k      0                              0
100  84397 100  84397   0      0 275.1k      0                              0