Hi, zimoun <zimon.touto...@gmail.com> skribis:
> On Sat, 26 Nov 2022 at 12:11, Ludovic Courtès <l...@gnu.org> wrote: [...] >> Now, if you really want to extend the set of things recognized, you >> could write variant of ‘url-fetch’ that passes a different #:mirrors >> argument to ‘built-in-download’. Maybe ‘url-fetch’ could have a >> #:mirrors parameter to simplify it. > > Why is it not possible to extend ’%mirrors? What I described above is one way to extend it, just not via ‘set!’. Ludo’.