bug#70077: An easier way to track buffer changes

[Stefan Monnier]

>> Eglot is a "ELPA core" package.
>> Will we put `track-changes' into ELPA as well?
>
> The part of the patch that touches `eglot.el` is not indispensable, but
> yes, that's indeed something I've been wondering as well, seeing how
> it could be useful for third party packages like Lsp-mode, Crdt,
> and more.

BTW, by that I meant that maybe it should live in `elpa.git` (i.e. in
GNU ELPA instead of in Emacs).  This is especially since I'm not sure we
want to push this as "the" API.


        Stefan