Please see attached patch.
Regards.

On Mon, May 4, 2020 at 11:50 PM Nicolas Goaziou <mail@nicolasgoaziou.fr>
wrote:

> Roland Coeurjoly <rolandcoeurjoly@gmail.com> writes:
>
> > I am confused about the last point:
> > Use a let-binding instead of setq.
> >
> > If I use:
> >
> > (let* compile (string= (cdr (assq :compile params)) "yes"))
>
> I meant:
>
>   (let ((compile (string= "yes" (cdr (assq :compile params)))))
>    ...)
>