[jdev] 'Conference' category in roster

[Richard Dobson]

> With the supplied example you wouldn't appear to be in the room because
> the subscription is "none". [MUC implementations are unlikely to try to
> subscribe to a user's presence.]

Ah of course thats true, but if it wasnt none it would send it.

> I agree it is a non-standard hack. RFC 3921 does not permit a 'category'
> attribute in a roster item.

Yea so any server or client that implements it cannot really call themselves 
XMPP compliant since its non permitted in the standard.

Richard