whitespace chars assert_equals(cues.length, 3); assert_equals(cues[0].id, 'spaces'); assert_equals(cues[0].text, ' text0'); assert_equals(cues[1].id, 'tabs'); assert_equals(cues[1].text, 'text1'); assert_equals(cues[2].id, 'form feed'); assert_equals(cues[2].text, 'text2'); === WEBVTT spaces 00:00:00.000 --> 00:00:01.000\x20 text0 tabs \t\t\t00:00:00.000\t\t\t\t-->\t\t00:00:01.000\t text1 form feed \f\f\f00:00:00.000\f\f\f\f-->\f\f00:00:01.000\f text2 vertical tab \v\v\v00:00:00.000\v\v\v\v-->\v\v00:00:01.000\v invalid