Attila Lendvai schreef op di 03-05-2022 om 13:42 [+0200]:
> +       (unless (null? old-version)
> +         (set! old-version (first old-version)))

Nevermind, there's some ...

Still, why choose the first old-version instead of the latest old-
version?  How can we know which one is correct?.