[ttml2] Pull Request: Exclude vertical length offset as 1st component in 2 component positi…

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

== Exclude vertical length offset as 1st component in 2 component positi… ==
…on (#711).

Closes #711.

See https://github.com/w3c/ttml2/pull/769

Received on Thursday, 17 May 2018 23:45:20 UTC