bug#40354: [PATCH] Fix Libravatar federation handling

[Lars Ingebrigtsen]

Philip K <philip@warpmail.net> writes:

> Previous implementation didn't correctly handle the result of
> dns-query, and didn't implement the necessary record selection
> algorithm as specified on the wiki (https://wiki.libravatar.org/api/,
> "Federated servers").
>
> * lisp/image/gravatar.el (gravatar--service-libravatar): Fix
> libravatar image host resolver algorithm.

Looks good to me, although this didn't apply either, since the code has
been rewritten to be asynchronous.  Could you re-spin this patch, too,
and I'll get it applied...

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   bloggy blog: http://lars.ingebrigtsen.no