[ttml2] Pull Request: Insert new Appendix P on security and privacy (#224).

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

== Insert new Appendix P on security and privacy (#224). ==
Closes #224.

See https://github.com/w3c/ttml2/pull/341

Received on Saturday, 27 May 2017 21:31:28 UTC