[Standards] Presence and components

[Paul Witty]

Is there documented anywhere the rules of how presence information works 
with components?  e.g. can components subscribe to clients' presence 
information, or send presence probes etc.  Likewise, can a component 
publish presence, and clients subscribe to its presence, but including 
things like publishing presence for component.xmppserver.com, and 
clients getting that presence for addr...@component.xmppserver.com?

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Paul Witty