Subject: bug#55870: GNU Emacs 26.3, Select All(C-x h) does not work

From: Eli Zaretskii <[email-masked]>
Date: Fri, 15 Jul 2022 16:03:00 +0300

> Cc: [email-masked], [email-masked]
> From: Bruce <[email-masked]>
> Date: Fri, 15 Jul 2022 20:44:59 +0800
> 
> buffer-file-coding-system is a variable defined in ‘C source code’.
> Its value is ‘chinese-gbk-unix’
> Local in buffer chinese-book.txt; global value is utf-8-unix

OK, thanks.

And is this a GUI session or a text-mode session?  That is, what is
the value of the variable window-system?

Also, what is the value of the variable selection-coding-system?