[ttml1] Pull Request: Clarified cell metrics semantics for tts:textOutline

palemieux has just submitted a new pull request for https://github.com/w3c/ttml1:

== Clarified cell metrics semantics for tts:textOutline ==
Closes #218

See https://github.com/w3c/ttml1/pull/268

Received on Friday, 24 November 2017 06:28:30 UTC