w3c/webvtt — pull request #18 by silviapfeiffer (2014-01-26 07:24:18+00:00)
Title: Unify percentage syntax and parsing.

In the syntax section: use "WebVTT percentage value" syntax for the percentages in "line", "size" and "position" cue settings.
In the parsing section: us "parse a percentage string" algo for the percentages in "line", "size" and "position" cue settings.