In any case, whether or not we've got some legacy cruft in the wild, folk
should understand that the "correct" way to publish microblog entries over
XMPP (especially for "firehose" feeds) is by using the "Atom over XMPP"
specification. See:
http://xmpp.org/internet-drafts/draft-saintandre-atompub-notify-07.html
Oh my gosh, I have been looking for this draft for days now (I
did not know it was a draft ...) Thank you very much.
Xavier
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