bug#22295: viper-mode undo bug introduced between Nov 10 and Nov 14

[Phillip Lord]

Jim Meyering <jim@meyering.net> writes:

> On Wed, May 18, 2016 at 2:15 AM, Phillip Lord
> <phillip.lord@russet.org.uk> wrote:
>> Yeah, I was adding two undo-boundaries to rather than just one. For no
>> readily apparent reason I was directly changing the buffer-undo-list,
>> rather than calling undo-boundary.
>>
>> Anyway, that should be fixed.
>
> Confirmed.
> Thanks again for fixing all of that.


Let me know if you find anything else.

John, this is a reasonably extensive change now -- affecting both
simple.el, but also a big rework of viper undo.

To Emacs-25 or not to Emacs-25 that is the question?

Phil