Make imenu--create-keymap more resilient

* lisp/imenu.el (imenu--create-keymap): Ignore nil items in the
alist (bug#56430).

diff --git a/lisp/imenu.el b/lisp/imenu.el
index 040e373fb42ec7b37409c13f55d77ba9e27282d4..dcd816cb7a80e94c940130bafc40d38391ee0719 100644 (file)
--- a/lisp/imenu.el
+++ b/lisp/imenu.el
@@ -471,7 +471,7 @@ Non-nil arguments are in recursive calls."
                      (t
                       (lambda () (interactive)
                         (if cmd (funcall cmd item) item))))))
-              alist)))
+              (seq-filter #'identity alist))))
 
 (defun imenu--in-alist (str alist)
   "Check whether the string STR is contained in multi-level ALIST."