Philip Kaludercic <philipk@posteo.net> writes:
>
> I am not sure this makes sense, #'file-directory-p is always non-nil but
> a PREDICATE will only be passed on to `read-file-name' is PREDICATE is
> also non-nil.  So if no PREDICATE is passed, the expression ignored
> #'file-directory-p, breaking `read-directory-name', or am I mistaken (I
> haven't tried it out)?

Oops! Thanks for catching my error!! The attached patch should actually
do what I intended.

Joseph