[ttml2] Pull Request: Add note from TTML1 regarding padding and writingMode

cconcolato has just submitted a new pull request for https://github.com/w3c/ttml2:

== Add note from TTML1 regarding padding and writingMode ==
Partially closes #358 

See https://github.com/w3c/ttml2/pull/601

Received on Monday, 29 January 2018 22:56:48 UTC