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

[Eli Zaretskii]

> From: awrhygty@outlook.com
> 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.

Looks like this is intentional: see the variable
multibyte-syntax-as-symbol.  It is t in these two modes.  If you set
it to nil, you get the behavior you expect.

So it looks like there's no bug here.