bug#56305: 29.0.50; 'yes-or-no-p' deselects minibuffer frame

[Stefan Monnier]

>> Hmm... following the idea above, maybe select-frame/window should never
>> call resize_mini_window, and instead that should only take place at the
>> next redisplay.
>
> That's exactly what happens: resize_mini_window just fiddles with some
> variables, the actual resizing happens as part of redisplay.  It's the
> moral equivalent of what happens when the user types "C-x ^".

But we need to make sure that selecting a window and then "selecting
back" the original doesn't cause those vars to be changed.


        Stefan