GNU bug report logs - #66664
On modified lines containing 🌐︎ and Unicode VS15 in text mode emacs does not show the real content of the lines

Previous Next

Full log

View this message in rfc822 format

From: Eli Zaretskii <eliz <at> gnu.org>
To: dilyan.palauzov <at> aegee.org
Cc: 66664 <at> debbugs.gnu.org
Subject: bug#66664: On modified lines containing 🌐︎ and Unicode VS15 in text mode emacs does not show the real content of the lines
Date: Sat, 21 Oct 2023 16:53:25 +0300

> Cc: 66664 <at> debbugs.gnu.org
> Date: Sat, 21 Oct 2023 16:36:38 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> 
> > and prints “Auto-Composition mode disabled in current buffer”.  After the change the globe is coloured in the terminal and there is an underscore after the globe.  I again press several times the right arrow to go over the letter c and then press x. Emacs again deletes (actually hides) the letter c and shows on its place the letter x.
> 
> Then I cannot reproduce this, nether with nor without
> auto-composition-mode.

Scratch that, I was mis-reading your description.  I can reproduce,
and I know the reason: Emacs considers the U+1F310 character to take 2
columns on display, whereas your terminal thinks it takes only one
column.  That's why you see these problems.

Previous Next

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