bug#46982: 28.0.50; after-change-functions in an indirect buffer are not called if the change is done while base buffer is active (and vice versa)

[Eli Zaretskii]

> Cc: 46982@debbugs.gnu.org
> Date: Thu, 16 Jun 2022 22:36:29 -0400
> From:  Stefan Monnier via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> It's currently the responsibility of the code that sets up the indirect
> buffer(s) to setup a `before/after-change-functions` in the base buffer
> that runs (some of) the `before/after-change-functions` in the indirect
> buffer(s) where they are needed.

Do you think we should document this caveat in the ELisp manual?