Version 0.2.1 of XEP-0333 (Chat Markers) has been released. Abstract: This specification describes a solution of marking the last received, displayed and acknowledged message in a chat.
Changelog: Fixing typo ("cannot" repeated twice) (JC Brand). (XEP Editor (mam))
Diff: http://xmpp.org/extensions/diff/api/xep/0333/diff/0.2/vs/0.2.1
URL: http://xmpp.org/extensions/xep-0333.html
