WEBVTT

Test file with multiple active cues and VTTCue.line as a percentage value

00:00:00.000 --> 00:00:01.000 line:90%
track 5 - cue 1 - percent line

00:00:00.000 --> 00:00:01.000 line:10%
track 5 - cue 2 - percent line

00:00:00.000 --> 00:00:01.000 line:50%
track 5 - cue 3 - percent line