[ttml2] Pull Request: Change tts:luminanceGain to non-inheritable (#715).

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

== Change tts:luminanceGain to non-inheritable (#715). ==
Closes #715.

See https://github.com/w3c/ttml2/pull/716

Received on Thursday, 19 April 2018 14:11:31 UTC