(f38 last patched last Thursday; gnome)
I'm have some trouble with the display of Chinese characters in some situations.
1. In Firefox, Chinese characters show up as rectangles with 4-digit hex numbers in them. The font is set to the AR PL UKai family of fonts.
2. In the gnome-font-viewer, the AR PL UKai family of fonts is shown, but the Install button is active, implying that I do not currently have it on my workstation. But... ----- bash.12[~]: ls /usr/share/fonts/cjkuni-ukai/ ukai.ttc bash.13[~]: ----- So the AR PL UKai family of fonts is installed on my workstation (and has been for over a decade).
3. In MATE's "Font Viewer", the AR PL UKai family of fonts is shown, and is marked installed.
4. In Thunderbird, Chinese characters are properly displayed using the AR PL UKai family of fonts.
5. In LibreOffice, Chinese characters are properly displayed using the AR PL UKai family of fonts.
6. In vim and gvim, Chinese characters are properly displayed using the AR PL UKai family of fonts.
7. In a terminal, Chinese characters are properly displayed using the AR PL UKai family of fonts.
8. In ibus(? - tool used to enter Chinese characters), Chinese characters are properly displayed using the AR PL UKai family of fonts.
Why Are Chinese characters not properly displayed in Firefox, and why does the gnome-font-viewer seem to think they're not installed on my workstation?
How do I fix this? For a few reasons, the AR PL UKai family of fonts is what I want used for Chinese character display.
side issue: I was told by Peng Wu(?) a few years ago that the AR PL UKai family of fonts is no longer supported. I don't see a KaiTi font in the noto font collection. What good currently-supported KaiTi font family is available for me to replace the AR PL UKai family of fonts on my workstation?