[ttml2] Pull Request: Clarify text combination semantics in a ruby container context (#978).

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

== Clarify text combination semantics in a ruby container context (#978). ==
Closes #978.

See https://github.com/w3c/ttml2/pull/979

Received on Thursday, 23 August 2018 17:30:21 UTC