[ttml2] Pull Request: Add missing tts:unicodeBidi 'isolate' value to schemas (#872).

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

== Add missing tts:unicodeBidi 'isolate' value to schemas (#872). ==
Closes #872.

See https://github.com/w3c/ttml2/pull/873

Received on Sunday, 1 July 2018 01:36:57 UTC