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

[Eli Zaretskii]

> From: Jim Meyering <address@hidden>
> Date: Tue, 10 May 2016 21:33:15 -0700
> Cc: Phillip Lord <address@hidden>, emacs-devel <address@hidden>
> 
> However, now there is an additional bug in viper mode:
> 
> When I run e.g., "!!" to tell it to replace the text of the current
> line with the output of some shell command, I see the usual "!" prompt
> asking me for that command in the minibuffer. Let's say I type "cat"
> then enter. So far so good.
> 
> However, if I type "!!" again, this time I see "!(default cat) ", and
> let's say I want to accept that default and hit return. Then emacs
> attempts to run the command "(default cat)". Oops. Even if I type
> something, it is only appended, so if I type "cat" again, emacs runs
> "(default cat) cat".
> 
> This appears to have been introduced some time on or before May 6th.

On which branch do you see this new problem?  Does it happen on
emacs-25, the release branch?

In any case, please file a separate bug report about that, as it
doesn't seem to be related to the undo problem (AFAIU).