[ttml2] Pull Request: Adds xml:lang to metadata examples (issue #271)

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

== Adds xml:lang to metadata examples (issue #271) ==
Closes #271

See https://github.com/w3c/ttml2/pull/301

Received on Thursday, 27 April 2017 17:54:44 UTC