image-dired: Support the customize-mode command

* lisp/image/image-dired.el (image-dired-thumbnail-mode)
(image-dired-display-image-mode): Add custom group 'image-dired'.

diff --git a/lisp/image/image-dired.el b/lisp/image/image-dired.el
index c2bb874cef38c7189c9035d620aba3f439961506..41ed05f191a7883967d52b8cea1dc8d74dc9f4d5 100644 (file)
--- a/lisp/image/image-dired.el
+++ b/lisp/image/image-dired.el
@@ -936,6 +936,7 @@ You probably want to use this together with
   "Browse and manipulate thumbnail images using Dired.
 Use `image-dired-minor-mode' to get a nice setup."
   :interactive nil
+  :group 'image-dired
   (buffer-disable-undo)
   (add-hook 'file-name-at-point-functions 'image-dired-file-name-at-point nil t)
   (setq-local window-resize-pixelwise t)
@@ -951,6 +952,7 @@ Use `image-dired-minor-mode' to get a nice setup."
   "Mode for displaying and manipulating original image.
 Resized or in full-size."
   :interactive nil
+  :group 'image-dired
   (add-hook 'file-name-at-point-functions #'image-dired-file-name-at-point nil t))
 
 \f