chromium/third_party/blink/web_tests/external/wpt/webvtt/rendering/cues-with-video/processing-model/support/bidi_vertical_lr.vtt

WEBVTT

00:00:00.000 --> 00:00:05.000 vertical:lr
<ruby>左<rt>ひだり</rt></ruby>に<ruby> 見<rt>み</rt></ruby>えるのは...
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