GNU bug report logs - #79317
31.0.50; Garbled text in corner case

Previous Next

Full log

View this message in rfc822 format

From: Eli Zaretskii <eliz <at> gnu.org>
To: OGAWA Hirofumi <hirofumi <at> mail.parknet.co.jp>
Cc: 79317 <at> debbugs.gnu.org
Subject: bug#79317: 31.0.50; Garbled text in corner case
Date: Tue, 26 Aug 2025 16:27:02 +0300

> From: OGAWA Hirofumi <hirofumi <at> mail.parknet.co.jp>
> Date: Tue, 26 Aug 2025 17:03:26 +0900
> 
> 
> In current emacs, in corner case, the displayed text is garbled.
> Simplified reproducible code is the following,
> 
> (with-temp-buffer
>   (dotimes (_ 3)
>     (insert "😀😀😀\n"))
>   (add-to-invisibility-spec '(gnus-sum . t))
>   (goto-char (point-min))
>   (let ((starteol (line-end-position)))
>     (forward-line 2)
>   (search-backward "\n")
>   (let ((ol (make-overlay starteol (point) nil t nil)))
>     (overlay-put ol 'invisible 'gnus-sum)
>     ;; here
>     )))
> 
> At ";; here" position, first line uses proper font and text, but send
> line is garbled text.  And if comment out the
> `add-to-invisibility-spec', no garbled text.

Thanks for a simple and concise test case.  This should be fixed now
on the master branch.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.