+1 for documentation. The XMPP community is trying to get "OMEMO"[0,1] rolled out, which is an XMPP adaptation of Axolotl, but fails due to missing specs[2].

[0] https://conversations.im/omemo/

[1] https://conversations.im/xeps/multi-end.html

[2] http://mail.jabber.org/pipermail/standards/2015-November/030...