[dxwg] Pull Request: Roles update

nicholascar has just submitted a new pull request for https://github.com/w3c/dxwg:

== Roles update ==
Removed a redundant role, improved a couple of definitions.

Added hierarchy-relevant roles.

See https://github.com/w3c/dxwg/pull/703

Received on Monday, 28 January 2019 12:58:54 UTC