[ttml1] Pull Request: Clarify that the computed value of tts:lineHeight='normal' is 'normal'

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

== Clarify that the computed value of tts:lineHeight='normal' is 'normal' ==
Closes #220

See https://github.com/w3c/ttml1/pull/260

Received on Sunday, 19 November 2017 23:22:23 UTC