[imsc] Consider relaxing constraints on <annotation-position> to include "before" and "after"

palemieux has just created a new issue for https://github.com/w3c/imsc:

== Consider relaxing constraints on <annotation-position> to include "before" and "after" ==
See https://github.com/w3c/imsc-vnext-reqs/issues/23

Please view or discuss this issue at https://github.com/w3c/imsc/issues/385 using your GitHub account

Received on Monday, 21 May 2018 22:36:08 UTC