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-rw-r--r--lisp/dired.el5
1 files changed, 3 insertions, 2 deletions
diff --git a/lisp/dired.el b/lisp/dired.el
index 57c5c8954b4..58c29a152b7 100644
--- a/lisp/dired.el
+++ b/lisp/dired.el
@@ -50,7 +50,7 @@
;;;###autoload
-(defcustom dired-listing-switches "-al"
+(defcustom dired-listing-switches (purecopy "-al")
"Switches passed to `ls' for Dired. MUST contain the `l' option.
May contain all other options that don't contradict `-l';
may contain even `F', `b', `i' and `s'. See also the variable
@@ -71,11 +71,12 @@ If nil, `dired-listing-switches' is used.")
;;;###autoload
(defvar dired-chown-program
+ (purecopy
(if (memq system-type '(hpux usg-unix-v irix linux gnu/linux cygwin))
"chown"
(if (file-exists-p "/usr/sbin/chown")
"/usr/sbin/chown"
- "/etc/chown"))
+ "/etc/chown")))
"Name of chown command (usually `chown' or `/etc/chown').")
(defvar dired-use-ls-dired (not (not (string-match "gnu" system-configuration)))