structuredAttrs is enabled

trying https://addons.mozilla.org/firefox/downloads/file/4585287/masked_email_manager-1.7.2.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
100 127.7k 100 127.7k   0      0 475.2k      0                              0
100 127.7k 100 127.7k   0      0 475.1k      0                              0
100 127.7k 100 127.7k   0      0 475.0k      0                              0