[ttml2] Pull Request: Add note about profile overrides (#1031).

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

== Add note about profile overrides (#1031). ==
Closes #1031.

See https://github.com/w3c/ttml2/pull/1061

Received on Tuesday, 26 March 2019 06:55:31 UTC