bug#17256: 24.3.50; minibuffer in main window

[Lars Ingebrigtsen]

Richard Stallman <rms@gnu.org> writes:

> I found the minibuffer in the main window.
> It was showing a prompt for a buffer name.
>
> C-x b R TAB RET C-a SPC C-d x C-x
> C-s C-n C-n C-e C-b ESC b ESC b ESC b ESC w C-x b i
> n o u t RET ESC x g r e p RET C-y SPC C-g C-x b RET
> C-x C-@ ESC < 
>
> It was at that point.  Then I did
>
>             C-x b RET
>
> and it switched back to RMAIL.
>
> I don't know how to reproduce it, but it might have to do with the C-x
> C-@, which I typed by mistake.  However, shouldn't trying to make a main
> window display a minibuffer cause an error?

Did you see this problem again, or have a way to reproduce it?

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