[ttml2] Pull Request: Issue 0216 fontsize em on region

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

== Issue 0216 fontsize em on region ==


See https://github.com/w3c/ttml2/pull/242

Received on Friday, 10 February 2017 00:15:55 UTC