[Standards-JIG] proto-JEP: Invisible Command

Michal vorner Vaner michal.vaner at kdemail.net
Sat May 13 12:20:15 UTC 2006

On Fri, May 12, 2006 at 10:41:38PM +0100, Dave Cridland wrote:
> On Fri May 12 18:21:00 2006, Zenon Kuder jr. wrote:
> >I agree. I think this part
> >
> >While the client is in invisible mode, the server:(...) 5. MUST NOT 
> >deliver any inbound <message/> stanzas whose 'to' address is bare 
> >JID of the user.
> >
> >is not as what people expect...
> You're obviously right, in as much as you're not the only one to 
> raise this point.
> But I think I see where that MUST is coming from - it's a privacy 
> thing, I'd guess, preventing people from probing for you. (Although 
> why it then allows <iq> stanzas is a little beyond me).
> What I also suspect is that there's multiple reasons for being 
> invisible, and this JEP assumes one meaning of invisibility, rather 
> than all possible reasons.
> For instance, I was thinking of wiring XMPP support into my email 
> client. As an instant messaging client, it's far from optimal, but 
> it'd be useful for (for instance) remote control, highlighting online 
> users, etc. But I don't want to inadvertantly get messages routed to 
> it, really, nor subscription requests - I just want presence data, 
> the ability to manipulate the roster, and that kind of thing - I'd be 
> using it in combination with a "proper" IM client. This is a kind of 
> "90% offline", which this JEP describes pretty well, I think.

You could use priority <0 for this. You won't get any messages, but you
get presences as normal.

> We just need to figure out what possible meanings invisibility has, 
> and ideally turn those into options for the invisibility command, 
> with reasonable defaults.


Work with computer has 2 phases. First, computer waits for the user to tell it what 
to do, then the user waits for the computer to do it. Therefore, computer work 
consists mostly of waiting.

Michal "vorner" Vaner
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