[ttml2] Pull Request: Copy change and errata docs to build directory

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

== Copy change and errata docs to build directory ==
Part of fix for #437 so that changes document is served.

See https://github.com/w3c/ttml2/pull/559

Received on Monday, 15 January 2018 15:24:38 UTC