bug#60562: [PATCH] Fix split-string error if there is a space in the filename.

[Eli Zaretskii <eliz@gnu.org>]

> 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 (\n\r).
>     lux> ---
>     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.  Is that right??
>     lux>    (cd directory)
>     lux> -  (mapcar (lambda (F) (if (string-match "^./\\(.*\\)" F) (match-string 1 F) F))
>     lux> -          (split-string (shell-command-to-string hfy-find-cmd))) )
>     lux> +  (remove-if #'string-empty-p
>     lux> +             (mapcar (lambda (F) (if (string-match "^./\\(.*\\)" F) (match-string 1 F) F))
>     lux> +                     (split-string (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?

> (which is annoyingly
> hard to remember, since the obvious search leads to
> `list-directory'. Perhaps we should add `list-directory-recursively'
> as an alias?)

How did you search for it?