[ttml2] Add justify to tts:displayAlign.

skynavga has just created a new issue for https://github.com/w3c/ttml2:

== Add justify to tts:displayAlign. ==
Add ``justify`` value to support justification in block progression dimension.

Editorial note from 2015-01-14.

Please view or discuss this issue at https://github.com/w3c/ttml2/issues/370 using your GitHub account

Received on Monday, 5 June 2017 00:21:06 UTC