Re: Proposed XMPP Extension: Explicit Mentions

On 2026/03/10, Daniel Gultsch wrote:
> The XMPP Extensions Editor has received a proposal for a new XEP.
> 
> Title: Explicit Mentions
> Abstract:
> This specification defines a way to explicitly mention a person or
> groups of people.
> 
> URL: https://xmpp.org/extensions/inbox/explicit-mentions.html
> 
> The Council will decide in the next two weeks whether to accept this
> proposal as an official XEP.
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Thanks for taking over and making this a thing :)


A few notes/nits,

- The jid attribute

Same as singpolyma, I would settle on requiring occupant-id I think for
all types of rooms, makes the whole thing simpler, and rooms without it
are scarce nowadays (at least in places that matter).

I also did include a note about this in implementation notes.
> Anonymous unique occupant identifiers for MUCs (XEP-0421) [3] is being used to mention in Multi-User Chat (XEP-0045) [1] instead of a participant JID or a real JID. This allows us to have a common solution across MUC, and also to use a stable identifier, that is guaranteed to be unique per occupant (bare JID) and prevent usurpation.

- The noping modifier

To me the purpose of the spec is to make mentions explicit. Thus
changing the status-quo and making the non-usage of this spec "not" a
mention, which would make the modifier redundant and confusing
(mentioning not to mention).

This somewhat conflicts with implementation notes:
> Implementations SHOULD also allow sending participants to talk about someone without having to mention them.

Might be useful as a temporary measure but I certainly wouldn't want
that to stick around.
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