bug#65128: 30.0.50; Strange code in help-fns.el

[Stefan Kangas]

Eli Zaretskii <eliz@gnu.org> writes:

> > I am looking at lisp/help-fns.el:describe-keymap and seeing
> >
> >  (let ((sym nil))
> >     (unless sym
> >     ...
> >
> > It looks like an oversight - sym will always be nil there.
>
> Adding Stefan, who wrote that function.

Thanks, now fixed on master.

PS. For the record, this function was originally written by Drew, and
integrated into Emacs by me.  I do get credit for the stylistic
mistake here, however.