This isn't currently supported. You can see
progress toward it here:
https://secure.phabricator.com/T603
Except, of course, that I can't, because I (don't have a
(Facebook|Disqus|phabricator.org)|prefer not to use my (GitHub|Google))
account. I'm sure I'm not the only one who hits this wall.
"policy.allow-public" affects future
settings which will be available in the UIs built by T603.
Could you perhaps summarize what that means, time-wise? Is there
anything we (I) can do to push things forward?
--
Mark Holmquist
Contractor, Wikimedia Foundation
mtraceur(a)member.fsf.org
http://marktraceur.info