On Sat, 07 Jan 2023 11:29:58 +0200
Eli Zaretskii <eliz@gnu.org> wrote:

> > Cc: 60562@debbugs.gnu.org
> > From: Robert Pluim <rpluim@gmail.com>
> > Date: Fri, 06 Jan 2023 10:48:43 +0100
> >   
> > >>>>> On Thu, 5 Jan 2023 06:56:05 +0800, lux <lx@shellcodes.org>
> > >>>>> said:  
> >   
> >     lux> * lisp/htmlfontify.el (hfy-list-files): Specify separator
> >     lux> (\n\r). ---
> >     lux>  lisp/htmlfontify.el | 5 +++--
> >     lux>  1 file changed, 3 insertions(+), 2 deletions(-)  
> >   
> >     lux> diff --git a/lisp/htmlfontify.el b/lisp/htmlfontify.el
> >     lux> index c989a12d205..be020b6b1c5 100644
> >     lux> --- a/lisp/htmlfontify.el
> >     lux> +++ b/lisp/htmlfontify.el
> >     lux> @@ -1826,8 +1826,9 @@ hfy-list-files
> >     lux>    ;;(message "hfy-list-files");;DBUG
> >     lux>    ;; FIXME: this changes the dir of the current buffer.
> >     lux> Is that right?? (cd directory)
> >     lux> -  (mapcar (lambda (F) (if (string-match "^./\\(.*\\)" F)
> >     lux> (match-string 1 F) F))
> >     lux> -          (split-string (shell-command-to-string
> >     lux> hfy-find-cmd))) )
> >     lux> +  (remove-if #'string-empty-p
> >     lux> +             (mapcar (lambda (F) (if (string-match
> >     lux> "^./\\(.*\\)" F) (match-string 1 F) F))
> >     lux> +                     (split-string
> >     lux> (shell-command-to-string hfy-find-cmd) "[\n\r]+")) ))  
> > 
> > You can avoid the issue (and improve portability) by using
> > `directory-files-recursively' instead of `find'  
> 
> Right.  Would you like to rewrite the patch using
> directory-files-recursively?
>

I try rewrite the patch using  directory-files-recursively.