[ttml2] Pull Request: Remove support for unitless lengths (#561).

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

== Remove support for unitless lengths (#561). ==
Closes #561.

See https://github.com/w3c/ttml2/pull/595

Received on Monday, 29 January 2018 01:15:43 UTC