Aligning IMSC 1.1 profile resolution and signaling with TTML2 (#3)

Good morning/evening,

The following PR is intended to (a) use the TTML2 profile semantics,
(b) provide compatibility with IMSC1 and (c) allow unambiguous profile
signaling.

https://github.com/w3c/imsc/pull/267

Please review carefully.

Best,

-- Pierre

Received on Saturday, 21 October 2017 19:53:57 UTC