[Standards] XEP-0313: pending 0.7 update review

Florian Schmaus flo at geekplace.eu
Mon Apr 20 13:18:08 UTC 2020

On 4/20/20 3:08 PM, Matthew Wild wrote:
> On Fri, 17 Apr 2020 at 12:58, Florian Schmaus <flo at geekplace.eu
> <mailto:flo at geekplace.eu>> wrote:
>     On 4/16/20 3:02 PM, Florian Schmaus wrote:
>     > On 4/3/20 10:51 PM, Matthew Wild wrote:> The PRs are here:
>     >>
>     >> XEP-0313: https://github.com/xsf/xeps/pull/922
>     >>
>     >> Feedback very welcome, but I hope we can get this wrapped up and
>     >> advanced to Draft where it should be soon!
>     >
>     > I have two further minor remarks:
>     >
>     > I wondered if "fetching a single message" shouldn't be "fetching
>     > messages by a list of archive IDs", where single message fetching is
>     > just using a list of size one. If we ever specify "fetch-by-id-list",
>     > then we would end up with two ways to retrieve a single message by id,
>     > which feels odd to me.
>     The more I think about it the more I come to the conclusion that we
>     should simply specify (and register) a well known field for message IDs
>     with type list-multi, instead of doing the proposed single message
>     fetching.
> Interesting issue I just realised. I'm not sure list-multi is
> necessarily a good fit semantically. XEP-0004 says this:
>> A form-submitting entity chooses one or more items from among the
> options presented by the form-processing entity and MUST NOT insert new
> options.
> An alternative is text-multi which does allow arbitrary values, but is
> defined to be multiline. At least Prosody is going to merge this into a
> multiline string before the MAM code would see it (and would  have to
> parse it back into individual values).

Not considering implementation specific internals: Would text-multi be
be a good fit?

- Florian

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