[ttml2] Pull Request: Clarify relative profile designator does not use xml:base (#1033).

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

== Clarify relative profile designator does not use xml:base (#1033). ==
Closes #1033.

See https://github.com/w3c/ttml2/pull/1054

Received on Monday, 25 March 2019 23:15:39 UTC