latest TTML2 draft URL broken

In the last published WD: http://www.w3.org/TR/ttml2/
the link to the "latest Editor's draft" generates a 404: https://w3c.github.io/ttml2/spec/ttml2.html

                Mike

---------------------------
Michael A DOLAN
TBT, Inc;  PO Box 190
Del Mar, CA 92014
+1-858-882-7497

Received on Friday, 9 March 2018 15:47:03 UTC