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

[Phillip Lord]

Stefan Monnier <monnier@IRO.UMontreal.CA> writes:

>> As a separate issue, I'd like to add part of c0139e32f1f3b back
>> though to master -- adding the variable undo-auto-disable-boundaries.
>> It's not immediately necessary now, but it seems a useful option to
>> have.
>
> FWIW, I'd rather not have such an option.
>
> It's seeing this option which made me look further into your patch,
> since it seemed like using such a thing would inevitably lead
> to trouble.

No worries, I will leave this out.

Phil