>
>
>
>
> > This error message also appears when you focus into the speedbar-window
> and press "Q" (which calls
> > delete-frame).
>
> This is not a bug, since there is only one frame, and Emacs doesn't
> allow to delete such a frame.
>

So if I open Emacs, C-x 5 2 to create a new Frame, M-x speedbar-window and
therein press Q I would not assume to close this the whole frame.

Q is from a time when there was just one speedbar-frame.

>