bug#57433: Emacs no longer moves point into visible port of the buffer

[Paul Pogonyshev]

> Paul, please see that your original problem is now solved.

No, don't see any change in behavior.

> (Btw, I think it's a subtle bug in Magit that it assumes cursor motion
> will never end up on invisible text in such buffers.)

I don't think it is a bug. It is explicitly promised in Elisp manual as I see:

> 22.6 Adjusting Point After Commands
> ===================================
> 
> Emacs cannot display the cursor when point is in the middle of a
> sequence of text that has the ‘display’ or ‘composition’ property, or is
> invisible.  Therefore, after a command finishes and returns to the
> command loop, if point is within such a sequence, the command loop
> normally moves point to the edge of the sequence, making this sequence
> effectively intangible.

That's why, btw, I couldn't create a testcase: I don't know how to emulate

command loop.

Paul

On Sat, 27 Aug 2022 at 13:08, Eli Zaretskii <eliz@gnu.org> wrote:

> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> Cc: 57433@debbugs.gnu.org,  pogonyshev@gmail.com
> Date: Sat, 27 Aug 2022 12:43:18 +0200
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> >> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> >> Cc: 57433@debbugs.gnu.org,  pogonyshev@gmail.com
> >> Date: Sat, 27 Aug 2022 12:02:32 +0200
> >>
> >> Eli Zaretskii <eliz@gnu.org> writes:
> >>
> >> > Does Magit turn on truncate-lines in the affected buffer, or cause
> >> > them be truncated due to partial-width windows?  If it does, I might
> >> > have an idea what could cause the OP's problem.
> >>
> >> Yes, truncate-lines it t.
> >
> > In that case, can you see if the patch below solves the original issue
> > with Magit?
>
> Works for me.  Thanks!

Thanks, installed.

Paul, please see that your original problem is now solved.

(Btw, I think it's a subtle bug in Magit that it assumes cursor motion
will never end up on invisible text in such buffers.)