Per recent list discussion, Ralph Meijer and I have provisionally adjusted XEP-0060 (Publish-Subscribe) to cover the use case of disassociating a node from a collection.
http://www.xmpp.org/extensions/tmp/xep-0060-1.11.html http://svn.xmpp.org:18080/browse/XMPP/trunk/extensions/xep-0060.xml?r1=1555&r2=1674 Peter -- Peter Saint-Andre https://stpeter.im/
smime.p7s
Description: S/MIME Cryptographic Signature
