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

[lux <lx@shellcodes.org>]

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If a space in filename, hfy-list-files function error. For example:

$ mkdir /tmp/test 
$ cd /tmp/test
$ touch 'hello world.py'
$ touch hi.py
$ ls
hello world.py  hi.py

In Emacs:

(hfy-list-files "/tmp/test")
("hi.py" "hello" "world.py")

As shown above, "hello world.py" is split into two files.

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From 15b9d238ddcca17004d9edce54b4b1fb80556764 Mon Sep 17 00:00:00 2001
From: Xi Lu <lx@shellcodes.org>
Date: Thu, 5 Jan 2023 06:36:19 +0800
Subject: [PATCH] Fix split-string error if there is a space in the filename.

* lisp/htmlfontify.el (hfy-list-files): Specify separator (\n\r).
---
 lisp/htmlfontify.el | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lisp/htmlfontify.el b/lisp/htmlfontify.el
index c989a12d205..be020b6b1c5 100644
--- a/lisp/htmlfontify.el
+++ b/lisp/htmlfontify.el
@@ -1826,8 +1826,9 @@ hfy-list-files
   ;;(message "hfy-list-files");;DBUG
   ;; FIXME: this changes the dir of the current buffer.  Is that right??
   (cd directory)
-  (mapcar (lambda (F) (if (string-match "^./\\(.*\\)" F) (match-string 1 F) F))
-          (split-string (shell-command-to-string hfy-find-cmd))) )
+  (remove-if #'string-empty-p
+             (mapcar (lambda (F) (if (string-match "^./\\(.*\\)" F) (match-string 1 F) F))
+                     (split-string (shell-command-to-string hfy-find-cmd) "[\n\r]+")) ))
 
 ;; strip the filename off, return a directory name
 ;; not a particularly thorough implementation, but it will be
-- 
2.39.0