bug#1501: Emacs 22 loses undo buffer

[Stefan Kangas]

Noam Postavsky <npostavs@gmail.com> writes:

> Stefan Kangas <stefan@marxist.se> writes:
>
> > increase in the memory usage of each undo record, especially when
> > using font-lock-mode.  I'm not sure that is a serious problem, since
> > memory is only getting cheaper, but it might be worth investigating.
> > On the other hand, we could just decide that this is not worth the
> > effort and close this as wontfix.
>
> Hmm, it sounds like the problem might just be due to saving text
> properties in the undo records?  If so, maybe a simple fix is to just
> drop them (or drop only face and font-lock-face properties).

Is it not worth saving also that information?

Thanks,
Stefan Kangas