Subject: bug#23814: 24.5; bug of hz coding-system

From: Eli Zaretskii <[email-masked]>
Date: Tue, 21 Jun 2016 15:58:39 +0300

> From: [email-masked]
> Date: Tue, 21 Jun 2016 21:22:32 +0900
> 
> hz coding-system should encode chinese-gb2312 characters,
> it may fail to encode text without charset property.

This is by design, and mentioned in the doc string of that
coding-system.  Since Emacs is Unicode based, the _only_ way of having
"chinese-gb2312 characters" is by using that text property.

IOW, I don't think this is a bug.