Re: pop-global-mark and info buffers

[Eli Zaretskii <eliz@gnu.org>]

> From: "T.V Raman" <raman@google.com>
> Cc: emacs-devel@gnu.org
> Date: Sun, 06 Dec 2020 12:15:45 -0800
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> Thinking more about this:
> 
> 1.As a long time Emacs user, I suspect I almost never set the mark in
> info buffers which is likely why I never got bitten by this.
> 
> 2. The mark ring -- both local and global mark rings are powerful
>    features but not very approachable to a new Emacs user, and this
>    specific bug likely will drive at least some of them away.
> 
>    3. The fix to the error message will help, but it may be possible to
>       do more for the user, e.g. if the marker is outside the narrowed
>       portion of a buffer, widen and then jump there? We could also
>       special case info so that we widen, jump and narrow to the node
>       containing the marker.
> 
>       4. If we dont do 3, perhaps we could in the least jump to the
>          buffer containing the mark, and change the error to a warning
>          message that tells the user to widen the visible portion of the
>          buffer and then tell him how to jump there after widening 

There's a variable widen-automatically, did you try to use it?