Re: can undo unamalgamation be turned off reliably and completely?

[Óscar Fuentes]

Samuel Wales <samologist@gmail.com> writes:

> this has been a struggle for 20+ years.  maybe longer..
>
> emacs hardcodes 20 characters [as of emacs 25-ish, commands also] for
> amalgamation.  (hardcoding?)
>
> i never want this.  no matter what.  (except, if some internal code
> relies on it, then i want that to not break.)
>
> what can i do to get rid of undo amalgamation so that i never have to
> deal with this issue again?

As per C-h v amalgamating-undo-limit :

(setq amalgamating-undo-limit 1)

Not tested.