[ttml1] Pull Request: Deprecate offset-time and fraction component in smpte time base

palemieux has just submitted a new pull request for https://github.com/w3c/ttml1:

== Deprecate offset-time and fraction component in smpte time base ==
Close #211 and Close #213

See https://github.com/w3c/ttml1/pull/283

Received on Tuesday, 12 December 2017 19:20:20 UTC