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On Donnerstag, 23. Februar 2017 08:05:23 CET XMPP Extensions Editor wrote:
> Version 0.8.1 of XEP-0369 (Mediated Information eXchange (MIX)) has been
> released.
>
> […]
>
> URL: https://xmpp.org/extensions/xep-0369.html
This version still has Example 40 as follows:
<iq type='result'
to='[email protected]/d104f6a7-97e9-477f-8947-e4a37691d7ee/
7533375f-2cd1-4455-a311-494bab21f9f0'
from='mix.shakespeare.example'
id='7nve413p'>
<query xmlns='http://jabber.org/protocol/disco#info'/>
<feature xmlns='urn:xmpp:mix:0' var='mix_nick_register'/>
</query>
</iq>
The use of a different namespace on <feature/> in a disco#info reply worries
me. This doesn’t work with XEP-0115 (I hope, because <{urn:xmpp:mix:0}feature/
> and <{http://jabber.org/protocol/disco#info}feature/> are fundamentally
different elements) and is, as far as I know, specified nowhere as a valid use
of disco#info. Of course, disco#info permits additional elements as extension,
but I don’t know whether that was intended here.
I think the cleaner way would be to use var='urn:xmpp:mix:0#mix_nick_register'
like like many other XEPs do. That way other protocols relying on all features
being available in {http://jabber.org/protocol/disco#info}feature elements
won’t break.
I feel this hasn’t got enough discussion yet, which is why I’m bringing it up
once more in a separate thread.
kind regards,
jwi
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