bug#40676: 28.0.50; gnus locks when reading email

[Lars Ingebrigtsen]

Lars Ingebrigtsen <larsi@gnus.org> writes:

> Emacs should still grow an async DNS implementation (reachable from Lisp
> land), though.

I've now added a function dns-query-asynchronous to dns.el to have an
asynchronous implementation that works across all Emacs builds.

However, I'm not pushing it yet until somebody makes a decision as to
whether the Emacs git repo is to be recovered from backup, or we just
carry on as before after the mis-merge into emacs-27 a few hours ago...

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no