[ttml1] Clarify meaning of percentage with writing mode relative edge terms in tts:padding.

skynavga has just created a new issue for 
https://github.com/w3c/ttml1:

== Clarify meaning of percentage with writing mode relative edge terms
 in tts:padding. ==
Initially reported by Andreas Tai.

Please view or discuss this issue at 
https://github.com/w3c/ttml1/issues/205 using your GitHub account

Received on Sunday, 13 December 2015 18:53:02 UTC