RE: Apparent regression on the undo command

[Phillip Lord <phillip.lord@newcastle.ac.uk>]

It is my commit after all. I will work on it as soon as I can. Had a nasty cold for the last few days.

Phil
________________________________________
From: emacs-devel-bounces+phillip.lord=newcastle.ac.uk@gnu.org [emacs-devel-bounces+phillip.lord=newcastle.ac.uk@gnu.org] on behalf of Karl Fogel [kfogel@red-bean.com]
Sent: 20 November 2015 01:24
To: Phillip Lord
Cc: Artur Malabarba; emacs-devel
Subject: Re: Apparent regression on the undo command

phillip.lord@russet.org.uk (Phillip Lord) writes:
>Artur Malabarba <bruce.connor.am@gmail.com> writes:
>> 2015-11-19 9:47 GMT+00:00 Phillip Lord <phillip.lord@russet.org.uk>:
>>> I'll try and see if I can automate the problem and
>>> run a bisect.
>>
>> The following works for me. When called on the *scratch* buffer it
>> returns non-nil if the problem occurs.
>>
>> (progn
>>   (kmacro-call-macro nil nil nil [134217788 11 14 14 11 67108911])
>>   (equal (point-min) (point)))
>>
>> That macro simply calls M-< C-k C-n C-n C-k C-/
>
>
>I tried various combinations -- works interactively but fails in batch
>either because *scratch* hasn't been initialized, or undo appears to
>work wrongly.
>
>No worries, it's easy enough to test by hand, and am doing so.

Any luck?  FWIW I'm noticing the bug too, in emacs-25 branch built from commit c210b8b128c.

Best regards,
-Karl