bug#21468: 24.5; When next-line (visual) crosses overlay with before-string="\n" point goes to column 0

[Eli Zaretskii]

> Date: Sun, 13 Sep 2015 16:22:10 -0400
> From: Noam Postavsky <npostavs@users.sourceforge.net>
> Cc: 21468@debbugs.gnu.org
> 
> On Sun, Sep 13, 2015 at 3:50 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> >>
> >> (with-current-buffer (get-buffer-create "*text property test*")
> >>   (erase-buffer)
> >>   (insert-file "next-line-fail.el")
> >>   (let ((pos 65))
> >>     (goto-char pos)
> >>     (insert (propertize (concat (propertize "\s" 'display '(space :height 
> >> (1)))
> >>                         (propertize "\n" 'line-height t))
> >>                         'face 'highlight))
> >>     (pop-to-buffer (current-buffer))))
> >
> > Please elaborate: what problems do you see in this example?
> 
> With point on line 1 (preceding the thin line), doing next-line ends
> up inside the thin line, rather than after it.

Of course: that's a line of text.  Why is that a problem?  (I have no
idea what role is that thin line serving in Magit.)

Do you see any other issues with cursor motion?  I don't.