[ttml1] Pull Request: Clarify tts:fontSize semantics

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

== Clarify tts:fontSize semantics ==
Clarify tts:fontSize specified in 'em' units (Closes #214 and closes #206)
Clarify tts:fontSize when specified using two % values (Closes #215)

This PR is intended to replace PR #279

The PR is based on the prose found in TTML2

See https://github.com/w3c/ttml1/pull/301

Received on Tuesday, 19 December 2017 04:19:13 UTC