Don’t create unnecessary marker in ‘delete-trailing-whitespace’

[gnu-emacs] / lisp / dired-x.el

diff --git a/lisp/dired-x.el b/lisp/dired-x.el
index 053b3cb9738f519c0b19624b8cca959fdfe66938..be762e6e306976f7a8e1de3a998d9e53c4cb1748 100644 (file)
--- a/lisp/dired-x.el
+++ b/lisp/dired-x.el
@@ -821,11 +821,8 @@ replace it with a dir-locals-file `./%s'"
              dir-locals-file))
   (if (file-exists-p dir-locals-file)
       (message "File `./%s' already exists." dir-locals-file)
-    (with-temp-buffer
-      (insert "\
-\((dired-mode . ((subdirs . nil)
-                (dired-omit-mode . t))))\n")
-      (write-file dir-locals-file))
+    (add-dir-local-variable 'dired-mode 'subdirs nil)
+    (add-dir-local-variable 'dired-mode 'dired-omit-mode t)
     ;; Run extra-hooks and revert directory.
     (when (derived-mode-p 'dired-mode)
       (hack-dir-local-variables-non-file-buffer)