[ttml2] Pull Request: Account for use of auto keyword in derivation of tts:textShadow (#726).

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

== Account for use of auto keyword in derivation of tts:textShadow (#726). ==
Closes #726.

See https://github.com/w3c/ttml2/pull/732

Received on Friday, 11 May 2018 19:59:56 UTC