History

Time	Change
2010-05-04 02:14:27+00:00	Created
2010-05-04 02:14:27+00:00	Associated with WebSRT
2010-12-25 08:41:28+00:00	Associated with WebVTT
2012-04-28 01:02:48+00:00	Associated with WebVTT Living Standard
2014-04-09 14:55:42+00:00	Associated with WebVTT Standard
2015-09-30 14:30:57+00:00	Associated with text/vtt