[ttml2] Pull Request: Clarify backward compatibility (#458).

• From: Glenn Adams via GitHub <sysbot+gh@w3.org>
• Date: Fri, 29 Dec 2017 22:32:23 +0000
• To: public-tt@w3.org
• Message-ID: <pull_request.opened-160566785-1514586742-sysbot+gh@w3.org>

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

== Clarify backward compatibility (#458). ==
Closes #458.

See https://github.com/w3c/ttml2/pull/521

Received on Friday, 29 December 2017 22:32:25 UTC