bug#62032: 28.2; `switch-frame' event exits incremental search

[Juri Linkov]

>> I'm fine with that point of view as long as I'm allowed to let frame
>> switches keep isearch alive in some way or other.  I understand that the
>> buffer switch (resulting from the frame switch) during an isearch is
>> evil, but I frequently just alt-tab to a different frame, peek something
>> there, alt-tab back, and continue the isearch.
>
> Um, I just tried to not "only peek something" in the second frame, but
> rather type some text, which is of course grabbed by the isearch running in
> the first frame, which is of course highly confusing.
>
> Having tested that, I'd rather vote for wontfix for this bug, hoping that
> I can continue to bind `ignore´ to `switch-frame´ in my very personal
> configuration for more versions to come to keep the behavior as I am used
> to it.

In https://lists.gnu.org/archive/html/emacs-devel/2021-04/msg01442.html
a new option 'isearch-buffer-local' was implemented.
It could help in such situations when you need to switch
temporarily to another frame/buffer without exiting isearch.