I am running Debian 12 - Bookworm.

I occasionally see Unicode characters that do not do not display properly. Eg: 메리 크리스마스 (for the curious: this says Happy Christmas in Korean).

These do however display properly on my laptop which runs Mint 21.3.

I suspect that I could see them if I used the testing version of some package. Which one(s) and how do I do this ?

They fail to display in either Mate terminal 1.26 or in Firefox 128.5 so I suspect it is a system thing.

Thanks in advance.

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Alain D D Williams (12024-12-28):

I suspect that I could see them if I used the testing version of some package.
Which one(s) and how do I do this ?

I strongly doubt a common font will be “upgraded” with Korean
characters. More likely, the package is just not installed.

So: find out which font and which file contains it, query the package it belongs to. At worse, you can use strace to see what files the program
opens; possibly easier, in /proc/$PID/map_files/ you can see which font
files are currently in use.

Regards,

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On Sat, 28 Dec 2024 19:28:47 +0000
Alain D D Williams <addw@phcomp.co.uk> wrote:

I occasionally see Unicode characters that do not do not display
properly. Eg: 메리 크리스마스 (for the curious: this says Happy Christmas in Korean).

Well, I don't have that font installed, so I see little boxes with the
Unicode values in them, called tofu. So I grabbed one and searched in
the character map accessory (package gucharmap) for it. That told me it
was a Hangul symbol. A simple search gave me several Hangul font
packages one might try:

charles@hawk:~$ apt-cache search hangul | grep font
fonts-alee - free Hangul TrueType fonts
fonts-lexi-gulim - Lexi Gulim Korean font
fonts-lexi-saebom - Lexi Saebom Korean font
fonts-wqy-microhei - Sans-serif style CJK font derived from Droid xfonts-efont-unicode - /efont/ Unicode fonts for X which cover various scripts xfonts-efont-unicode-ib - /efont/ Unicode fonts for X (italic and bold) charles@hawk:~$


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On Sun, Dec 29, 2024 at 09:09:46AM +0700, Max Nikulin wrote:

Do you have the "fonts-recommended" package installed?

That did the trick thanks - then a reboot. I might have been able to get away with a logout.

I also now seem to be able to see all the emojis that my daughter sends me.

Thanks

You may skim through

apt search font korean
apt list '~nfont~i'

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Alain Williams
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Hi,

On Sun, Dec 29, 2024 at 04:13:14AM +0000, Alain D D Williams wrote:

On Sun, Dec 29, 2024 at 09:09:46AM +0700, Max Nikulin wrote:

Do you have the "fonts-recommended" package installed?

That did the trick thanks - then a reboot. I might have been able to get away with a logout.

Yes; normally after installing new fonts (or modifying existing ones) you
just need to run "fc-cache" (normally with no arguments) as your user.
No need to even log out.

You can also put font files obtained from outside of Debian into $HOME/.local/share/fonts/, e.g.

$ tree ~/.local/share/fonts
/home/andy/.local/share/fonts
├── CommitMono
│   ├── CommitMonoNerdFont-BoldItalic.otf
│   ├── CommitMonoNerdFont-Bold.otf
│   ├── CommitMonoNerdFont-Italic.otf
│   ├── CommitMonoNerdFontMono-BoldItalic.otf
│   ├── CommitMonoNerdFontMono-Bold.otf
│   ├── CommitMonoNerdFontMono-Italic.otf
│   ├── CommitMonoNerdFontMono-Regular.otf
│   ├── CommitMonoNerdFontPropo-BoldItalic.otf
│   ├── CommitMonoNerdFontPropo-Bold.otf
│   ├── CommitMonoNerdFontPropo-Italic.otf
│   ├── CommitMonoNerdFontPropo-Regular.otf
│   ├── CommitMonoNerdFont-Regular.otf
│   ├── LICENSE
│   └── README.md
└── install.sh

…but your example text (and most emojis) do render for me on Debian 12
using only the fonts packaged by Debian.

Thanks,
Andy

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