2 files changed, 3 insertions, 3 deletions

diff --git a/lisp/dired-aux.el b/lisp/dired-aux.el
index e5c2c5f3cb1..62d6928c024 100644
--- a/lisp/dired-aux.el
+++ b/lisp/dired-aux.el
@@ -2308,7 +2308,7 @@ Use \\[dired-hide-all] to (un)hide all directories."
     (restore-buffer-modified-p modflag)))
 
 ;;;###autoload
-(defun dired-hide-all (ignored)
+(defun dired-hide-all (&optional ignored)
   "Hide all subdirectories, leaving only their header lines.
 If there is already something hidden, make everything visible again.
 Use \\[dired-hide-subdir] to (un)hide a particular subdirectory."
diff --git a/lisp/dired.el b/lisp/dired.el
index d4bf1d019a0..1fc90c308b1 100644
--- a/lisp/dired.el
+++ b/lisp/dired.el
@@ -3517,7 +3517,7 @@ Ask means pop up a menu for the user to select one of copy, move or link."
 ;;;;;;  dired-run-shell-command dired-do-shell-command dired-do-async-shell-command
 ;;;;;;  dired-clean-directory dired-do-print dired-do-touch dired-do-chown
 ;;;;;;  dired-do-chgrp dired-do-chmod dired-compare-directories dired-backup-diff
-;;;;;;  dired-diff) "dired-aux" "dired-aux.el" "557aca1f6e86b39f1c7612ee123d5354")
+;;;;;;  dired-diff) "dired-aux" "dired-aux.el" "07676ea25af17f5d50cc5db4f53bddc0")
 ;;; Generated autoloads from dired-aux.el
 
 (autoload 'dired-diff "dired-aux" "\
@@ -3917,7 +3917,7 @@ Hide all subdirectories, leaving only their header lines.
 If there is already something hidden, make everything visible again.
 Use \\[dired-hide-subdir] to (un)hide a particular subdirectory.
 
-\(fn ARG)" t nil)
+\(fn &optional IGNORED)" t nil)
 
 (autoload 'dired-isearch-filenames-setup "dired-aux" "\
 Set up isearch to search in Dired file names.