. "2015-02-26" . "HTML5 Image Description Extension (longdesc)" . _:vb50821454 . _:vb50821455 . _:vb50821454 . _:vb50821454 "Mark Sadecki" . _:vb50821453 . _:vb50821453 . . . . . _:vb50821453 "Charles McCathieNevile" . _:vb50821455 . . _:vb50821455 .