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

WEBVTT

00:00:00.000 --> 00:00:05.000 vertical:lr
平成<c.combine>20</c>年4月<c.combine>16</c>日に