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

[Juri Linkov]

>> 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.
>
> Looks like this hasn't been installed?  May I ask why?

Because it required a small change in C part in
https://lists.gnu.org/archive/html/emacs-devel/2021-05/msg00490.html
but no one confirmed if this is the right thing to do.

> I'd love this.

Thanks for showing interest in this feature.
I will revive it and submit a complete patch soon.