bug#19203: visible-bell not acting like a special variable?

[martin rudalics]

> (setq visible-bell t) ; no bell
> (let ((visible-bell nil)) ; but ring bell for this one
>    (next-line)) ; when at end of buffer, C-x C-e should ring the bell. it
> doesn't.
>
> why doesn't this work?

Because the bell doesn't ring within the scope of the `let'.  Try


(setq visible-bell t)

(defun set-visible-bell ()
  (setq visible-bell t))

(defun ding-ding ()
  (add-hook 'post-command-hook 'set-visible-bell)
  (setq visible-bell nil)
  (ding))

(ding-ding)


instead.

martin