RE: empty-directory predicate, native implementation

[Drew Adams]

> > For my purposes (Dired) I want the former, not the latter,
> 
> Why?
> 
> > The two behave quite differently.
> 
> Can you give an example?

See my reply to Michael.  What they match (match-data)
is different.

But for the Dired use I make of it, it turns out that I
don't care: it in fact makes no difference which I use.

(My use of it is as old as the original `dired-re-no-dot'.)