Re: other-window when no other window

[Kevin Rodgers]

Dan Jacobson wrote:
> C-x o runs the command other-window
>
> Perhaps it should beep and warn if there is no other window.

Remember:

   Emacs is the extensible, customizable, self-documenting real-time
   display editor.

> Otherwise grandpa won't know he just did a useless keystroke.

If you think he should know:

(defadvice other-window (around jidanni-grandpa activate)
  "When called interactively, signal an error if there is no other window."
  (if (and (interactive-p) (eq (next-window) (selected-window)))
      (error "No other window in %s" (selected-frame))
    ad-do-it))

> Hmmm, probably would break some scripts though.

That's what the interactive-p check is for.

--
Kevin Rodgers