Marc,

On 2026-09-30 07:02 +0200, Marc Nieper-Wißkirchen wrote:
> Am Mi., 30. Sept. 2026 um 04:02 Uhr schrieb Wolfgang Corcoran-Mathe
> <xxxxxx@sigwinch.xyz>:
> > I don’t understand this either, but I understand the use of ‘case’ in
> > this example even less!  Why didn’t you just write:
> >
> >     (syntax-rules (big little)
> >       ((_ big) 'big)
> >       ((_ little) 'little)
> >       ((_ e) (syntax-error "bad endianness" e)))
>
> This would only be reliable if big and little were bound identifiers.
> And it would be incompatible with R6RS.

Thanks, but could you explain this a bit more?  I reviewed the R6RS &
the report emphasizes that “only the name of <endianness symbol> is
significant”.  So it should be correct to use ‘free-identifier=?’ (or
the ‘syntax-rules’ literal list) in this case, no?

--
Wolfgang Corcoran-Mathe  <xxxxxx@sigwinch.xyz>