Comment 3 for bug 264123

Mongolian in Mongolia uses Cyrillic script, that's correct. But in China's Inner Mongolia Region, they use Mongolian script.
The font is not to be meant to be used as default font for the desktop. If fontconfig chooses this font over others, I suggest to add some fontconfig rules to the font package to prevent this.

As the language-support-fonts-* packages contain extra fonts which might be of general interest to the users of that language, but is not limited to a country or region, I suggest to keep the package as it is, but add some fontconfig magic to ttf-manchufont as described above.

The proper way would be to tell fontconfig to ignore manchufont for the mn_MN locale, but use it for mn_CN (for which we don't have locale data yet).

If you agree to this proposal, I will implement it.