Re: Detect all changes in a buffer

[Stefan Monnier <monnier@iro.umontreal.ca>]

> There was some work on this in the past -- the effort I remember was based
> on a collaboration protocol called "Obby", but now that I look at
> https://www.emacswiki.org/emacs/CollaborativeEditing I see there were some
> other efforts as well.

GNU ELPA has Rudel which indeed supports the Obby protocol.

> (You raise a good question about `inhibit-modification-hooks', and
>  I don't know the answer to it.)

Making "real" modifications to the buffer while binding
inhibit-modification-hooks to a non-nil value sounds like a bug.

BTW, after-change-functions should work just as well for deletions as
for insertions.


        Stefan