[ttml1] Pull Request: Update tts:lineHeight='normal' algorithm to match TTML2

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

== Update tts:lineHeight='normal' algorithm to match TTML2 ==
Closes #354 

See https://github.com/w3c/ttml1/pull/355

Received on Thursday, 5 July 2018 16:05:27 UTC