[ttml2] Pull Request: Clarify computed cell size; improve language pertaining to pixels (#8…

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

== Clarify computed cell size; improve language pertaining to pixels (#8… ==
…96).

Closes #896.

See https://github.com/w3c/ttml2/pull/909

Received on Sunday, 15 July 2018 23:02:32 UTC