XEP-0287 (Spim Markers and Reports) has been Deferred because of inactivity.
Abstract: This document defines an XMPP protocol extension that enables XMPP entities to interact with spim filters by marking unsolicited or suspicious XMPP stanzas. URL: http://xmpp.org/extensions/xep-0287.html If and when a new revision of this XEP is published, its status will be changed back to Experimental.
