Hi Ihor,

No, I am not using undo-tree.

Thanks,
Dmitry


On Mon, Feb 15, 2021 at 1:41 PM Ihor Radchenko <yantar92@gmail.com> wrote:

> Dmitry Knyaginin <d.knyaginin@gmail.com> writes:
>
> > By the way, I have started to test my theory that the bug has to do with
> > the file size, but so far I have not been able to reproduce the bug.
>
> Another guess about your case: I have experienced deleted parts of
> buffer and lost history when using undo-tree. Do you happen to use it?
>
> Best,
> Ihor
>