Re: empty-directory predicate, native implementation

[Arthur Miller]

Drew Adams <drew.adams@oracle.com> writes:

> FWIW -
>
> `directory-files-no-dot-files-regexp' was added to Emacs 23.
> Its value then was the same as that of `diredp-re-no-dot':
> "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*".  The value was
> changed in Emacs 27, to "[^.]\\|\\.\\.\\.".
>
> For my purposes (Dired) I want the former, not the latter,
> so `diredp-re-no-dot' remains the former.  The two behave
> quite differently.  
Do you mind if I ask what is the difference? I have tried now both and I
am seemingly getting same results from both. Is there some special case
where `directory-files-no-dot-files-regexp' does not work correct?