On Sat, Oct 2, 2021, 09:51 Gregory Heytings <gregory@heytings.org> wrote:

I probably misunderstand something,

Yep.

but why would it break that use case?
Could you indicate what would be put in the elisp-shorthands for (a) the
s.el library, and (b) a user library that uses s.el?

Someone else can explain, but it's the same thing for both. Or you can go read the fine manual.

João