[ttml2] Rework #textEmphasis* features.

skynavga has just created a new issue for https://github.com/w3c/ttml2:

== Rework #textEmphasis* features. ==
Rework to avoid negative feature definitions, i.e., `-no-color` and `-no-quoted-string`.

Please view or discuss this issue at https://github.com/w3c/ttml2/issues/841 using your GitHub account

Received on Monday, 18 June 2018 23:12:33 UTC