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.
>
> That shouldn't be hard to arrange (in fact, binding inhibit-redisplay
> does precisely that).

But `save-selected-window` can't&shouldn't bind `inhibit-redisplay`.


        Stefan