[ttml2] Pull Request: Add missing feature designations (#680).

skynavga has just submitted a new pull request for https://github.com/w3c/ttml2:

== Add missing feature designations (#680). ==
Closes #680.

See https://github.com/w3c/ttml2/pull/682

Received on Sunday, 25 February 2018 04:59:50 UTC