mod_storage_xmlarchive: Add support for purging (used when deleting users)
---labels:- 'Stage-Alpha'summary: 'XEP-0033: Extended Stanza Addressing'...Introduction============This module is a partial implementation of [XEP-0033: Extended StanzaAddressing](http://xmpp.org/extensions/xep-0033.html).TODO====Query external servers for support.