Re: undo: changes outside of visible portion of buffer

[Eric Abrahamsen]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Eric Abrahamsen <eric@ericabrahamsen.net>
>> Date: Sat, 19 Apr 2014 16:56:39 +0800
>> 
>> > I think "visible" here means the narrowed region, not visible on
>> > display.  Do you have any kind of narrowing in that buffer?  If so,
>> > try "M-x widen RET".
>> 
>> After I sent the message I had the same idea, and tried "widen", but it
>> didn't do anything. It was an emacs-lisp buffer, other minor modes in
>> effect were Magit auto revert, Paredit, ElDoc, Auto Complete, and Undo
>> Tree. I don't ever use narrowing manually, and I don't think any of
>> those minor modes would have done it automatically, so I don't know what
>> was going on. I think you must be right, though, that the error was
>> referring to narrowing.
>
> Maybe you should look into those modes and see if they don't impose
> narrowing behind your back.

I'll take a look, thanks.