Minor additions to the spec

[Simon McVittie]

On Tue, 25 Apr 2017 at 14:53:42 +0200, Tom Gundersen wrote:
> I'd like to work a bit on fleshing out the spec with the missing bits, so
> these are the first few changes to get the ball rolling.

Thanks, clarifying the spec is certainly a worthwhile thing to do.
Please open a bug on freedesktop.org Bugzilla to track this change
(we don't use the mailing list as a bug tracker in this project).

    S