[ttml2] Pull Request: Remove ttp:version parameter attribute (#435).

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

== Remove ttp:version parameter attribute (#435). ==
Closes #435.

See https://github.com/w3c/ttml2/pull/606

Received on Tuesday, 30 January 2018 05:02:19 UTC