Description of problem:
AR PL UKai, as packaged by Fedora, does not take precedence over current "script" placeholder Source Han Sans CN in a zh_CN locale. As a proper "script" -- handwritten-y -- typeface, UKai should be prioritized over a printed-looking Sans.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Install it
2. LC_ALL=zh_CN.utf8 fc-match -a script | less
3. Unpack the rpm, and go "uh"
UKai does not come with a fontconfig file specifying it as a script. It goes way after SHSCN in fc output.
It should be before SHSCN.
I think maybe good to not change default Chinese fonts by installing fonts packages.
If you want to change default Chinese fonts, please try fonts-tweak-tool.
UMing/UKai fonts are for Traditional Chinese, not for Simplified Chinese.
> not change
In that case we got a broken default. We can remove the forced priority on Source Han Sans, and fix fontconfig's 40-nonlatin instead.
Also, the UMing package still does a prepend, which is a weak attmpt at changing the default.
UMing/UKai come with CN variants, which are for Simplified Chinese.
(Can we discuss the CN issue in #1531986 instead?)
There are some generic font families with different definitions: sans-serif, serif, monospace, cursive and script.
Kaiti or Kai is more of a cursive font or script font.
Here is a rough mapping between the generic font families and the Chinese typefaces:
Sans-serif to 黑體
Serif to 宋體/明體
Monospace to 英文字母寬度為中文字寬度一半的任何字型 (any Chinese fonts whose Latin glyph width is half of the Chinese character)
Cursive to 楷體/草書
Script to 楷體/手寫體
The relationship above is widely accepted and used in Chinese publishing industry, especially on Web and EPUB.
I agree and suggest to see AR PL UKai font as a Cursive font as in the general font family.
PS. I don't think Mingye is trying to change the default Chinese font by his description. That issue seems to be out of what he is trying to talk about.
Reconfirmed this issue with `fc-match -a cursive:lang=zh-cn | less`. Source Han Sans is, again, first on the list.
The connection between cursive/script is indeed wobbly. In theory cursive should only have things that are, well, cursive like Zapfino and 草, but since there isn't one family for a more slowly-written script it is used for "elementary school level" script fonts like 楷 and Comic Sans as well.
Fontconfig's 60-latin runs "cursive" in this sequence:
1. ITC Zapf Chancery Std
3. Comic Sans
From  you can see Zaph Chancery isn't as "cursive" as Zapfino either; it's more like an in-between handwitten script. In Chinese terminology you may call it a 行?
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