Re: Stop frames stealing eachothers' minibuffers!

[martin rudalics]

> You mean that (selected-frame) != (window-frame)?

Yes.  But Alan's last fix might have fixed this part now.

> That's an important invariant to preserve.  We've had problems with this
> for years and I've worked pretty hard to fix them over the years (I've
> been tempted to remove the `selected_frame` variable and define
> SELECTED_FRAME on top of `selected_window` instead, but that's proved
> difficult in the `select-frame` and `select-window` code).

Maybe we should try again.

martin