[imsc] Pull Request: Add support for tts:rubyAlign='spaceAround'

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

== Add support for tts:rubyAlign='spaceAround' ==
Closes #402

See https://github.com/w3c/imsc/pull/403

Received on Tuesday, 26 June 2018 17:25:20 UTC