[Standards] XEP-0115 redux

[Rachel Blackman]

> My initial instinct is to add another hash to presence, which is  
> resolved with
> an iq:version query.  Arguably, a hash might be even longer than  
> client +
> version + os combined, so maybe just putting iq:version content into  
> presence
> would be enough.

My thought is that if there's a simple way to pick up the version  
information and cache in an intelligent manner, then better to rely on  
the clients interested in that to download the information.

If not -- if, for instance, we want this still to be JID+node specific  
-- then I'd rather just put a simple client display name (the version  
can even be part of the display name) into the presence; if it's  
there, clients that care about it can display it, and if it's not, we  
can safely assume the client doesn't want that sort of information  
displayed.

-- 
Rachel Blackman <rcb at ceruleanstudios.com>
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