emacs-28 5990148860: * lisp/simple.el (undo-no-redo): Fix customization group

[Philipp Stephani]

branch: emacs-28
commit 5990148860094bc3ad0ec55e4edac543d1c2036e
Author: Philipp Stephani <phst@google.com>
Commit: Philipp Stephani <phst@google.com>

    * lisp/simple.el (undo-no-redo): Fix customization group
---
 lisp/simple.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/simple.el b/lisp/simple.el
index ef7fdd061f..355ebd690f 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -2947,7 +2947,8 @@ undo record: if we undo from 4, `pending-undo-list' will 
be at 3,
 
 (defcustom undo-no-redo nil
   "If t, `undo' doesn't go through redo entries."
-  :type 'boolean)
+  :type 'boolean
+  :group 'undo)
 
 (defvar pending-undo-list nil
   "Within a run of consecutive undo commands, list remaining to be undone.