* lisp/mouse.el (context-menu-filter-function): Fix type.

diff --git a/lisp/mouse.el b/lisp/mouse.el
index 4c4a7d35a896139eef1348cacc50c46c92e47d0a..54240397001d9ae1966f2d952e749124cc5c2c85 100644 (file)
--- 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 ()