From ca781e4430bb817ad4918644ef45814de71e5927 Mon Sep 17 00:00:00 2001
From: Glenn Morris <rgm@gnu.org>
Date: Tue, 17 Aug 2021 11:31:09 -0700
Subject: [PATCH] * lisp/mouse.el (context-menu-filter-function): Fix type.

---
 lisp/mouse.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/mouse.el b/lisp/mouse.el
index 4c4a7d35a89..54240397001 100644
--- a/lisp/mouse.el
+++ b/lisp/mouse.el
@@ -299,7 +299,7 @@ the same menu with changes such as added new menu items."
 
 (defcustom context-menu-filter-function nil
   "Function that can filter the list produced by `context-menu-functions'."
-  :type 'function
+  :type '(choice (const nil) function)
   :version "28.1")
 
 (defun context-menu-map ()
-- 
2.39.5