[webvtt] Pull Request: Add a paragraph about the reasons why limiting styles.

silviapfeiffer has just submitted a new pull request for https://github.com/w3c/webvtt:

== Add a paragraph about the reasons why limiting styles. ==
closes #373

See https://github.com/w3c/webvtt/pull/410

Received on Saturday, 11 November 2017 04:10:35 UTC