GNU bug report logs - #77747
'cursor-face-highlight-mode' signals 'args-out-of-range' in narrowed buffer

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From: Ship Mints <shipmints <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 77747 <at> debbugs.gnu.org
Subject: bug#77747: 'cursor-face-highlight-mode' signals 'args-out-of-range' in narrowed buffer
Date: Fri, 25 Apr 2025 09:51:22 -0400

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On Sun, Apr 13, 2025 at 5:52 AM Eli Zaretskii <eliz <at> gnu.org> wrote:

> > From: Ship Mints <shipmints <at> gmail.com>
> > Date: Fri, 11 Apr 2025 11:32:18 -0400
> >
> > -Q reproducer
> >
> > ;; The culprit appears to be `redisplay--update-cursor-face-highlight'
> > (setq debug-on-error t)
> > (cursor-face-highlight-mode)
> > (save-excursion (insert (propertize "cursor face text\n"
> >                                     'cursor-face 'region)))
> > (narrow-to-region (pos-bol) (pos-eol))
> > (setq unread-command-events (mapcar #'identity
> >                                     (kbd "C-n")))
>
> Thanks, does the below fix it?
>
> diff --git a/lisp/simple.el b/lisp/simple.el
> index ee09a6f..9e9dd15 100644
> --- a/lisp/simple.el
> +++ b/lisp/simple.el
> @@ -7265,7 +7265,7 @@ redisplay--update-cursor-face-highlight
>                (pt (window-point window))
>                (cursor-face (get-text-property pt 'cursor-face)))
>          (let* ((start (previous-single-property-change
> -                       (1+ pt) 'cursor-face nil (point-min)))
> +                       (min (1+ pt) (point-min)) 'cursor-face nil
> (point-min)))
>                 (end (next-single-property-change
>                       pt 'cursor-face nil (point-max)))
>                 (new (redisplay--highlight-overlay-function
>

Eli, possible to apply the above soon?

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