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authorEli Zaretskii <eliz@gnu.org>2022-08-06 19:19:01 +0300
committerEli Zaretskii <eliz@gnu.org>2022-08-06 19:19:01 +0300
commit7ffcba4213786569954bbdd9b7d7aa741b5014c9 (patch)
treeef30e7cd5d0d6b8c2bdc06fe44d6c6e251cde852 /etc
parentdf95118e8331950fc62cd243c40947eb8cc8845a (diff)
downloademacs-7ffcba4213786569954bbdd9b7d7aa741b5014c9.tar.gz
* etc/PROBLEMS: Problems with Alacritty and Emoji. (Bug#56952)
Diffstat (limited to 'etc')
-rw-r--r--etc/PROBLEMS17
1 files changed, 16 insertions, 1 deletions
diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index c0b44008e92..2a82995c994 100644
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -2170,8 +2170,23 @@ terminals display them as 1-column glyphs. Again, this causes cursor
addressing to get out of sync and eventually messes up the display.
One possible workaround for problems caused by character composition
-is to turn off 'auto-composition-mode' on Kitty terminals.
+is to turn off 'auto-composition-mode' on Kitty terminals, e.g. by
+customizing the 'auto-composition-mode' variable to have as value a
+string that the 'tty-type' function returns on those terminals.
+*** Display artifacts on the Alacritty text terminal
+
+This terminal is known to cause problems with Emoji sequences: when
+displaying them, the Emacs text-mode frame could show gaps and other
+visual artifacts.
+
+The solution is to disable 'auto-composition-mode' on these
+terminals, for example, like this:
+
+ (setq auto-composition-mode "alacritty")
+
+This disables 'auto-composition-mode' on frames that display on
+terminals of this type.
* Runtime problems specific to individual Unix variants