These settings provide a lot of information which is usually not very interesting, but can be useful for debugging various things.
jabber-debug-roster
toggles debug output in the roster. This
means that you can see the properties of each contact.
jabber-debug-log-xml
activates XML logging. All XML stanzas
sent and received are logged in the buffer *-jabber-xml-log-*
in list format. See XML representation.