Subject: bug#56188: 28.1; blink-matching-paren works wrong with non-ASCII parentheses

From: Eli Zaretskii <[email-masked]>
Date: Fri, 24 Jun 2022 16:38:54 +0300

> From: [email-masked]
> Date: Fri, 24 Jun 2022 22:08:25 +0900
> 
> 
> In emacs-lisp-mode or lisp-intraction-mode, insert following text.
>   ;;abc def【ghi】
>   ;;【123】456 789
> 
> When the cursor is before 【ghi】, highlighting is not done.
> When the cursor is after  【ghi】, 'd' is highlighted.
> when the cursor is before 【123】, '6' is highlighted.
> when the cursor is after  【123】, highlighting is not done.

I cannot reproduce this.  I suspect that the problem could be related
to the font you use there for the U+3011 RIGHT BLACK LENTICULAR
BRACKET character.  Is this in "emacs -Q"?