discussing drafts in a repo

[Bradley M. Kuhn]

Holger Krekel wrote today:
> for discussing drafts i'd prefer a repository where people can commit
> comments to paragraphs or suggest better ones.  The list here could
> receive email notification diffs.

If someone wants to take care of setting up the technological
infrastructure for this, I'm all for it.  Does someone want to volunteer
to set this up?