✏ EDIT: 45-generic.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
  <its:rules xmlns:its="http://www.w3.org/2005/11/its" version="1.0">
    <its:translateRule translate="no" selector="/fontconfig/*[not(self::description)]"/>
  </its:rules>

<description>Set substitutions for emoji/math fonts</description>

<alias binding="same">
		<family>Noto Color Emoji</family> 
		<default><family>emoji</family></default>
	</alias>
	<alias binding="same">
		<family>Apple Color Emoji</family> 
		<default><family>emoji</family></default>
	</alias>
	<alias binding="same">
		<family>Segoe UI Emoji</family> 
		<default><family>emoji</family></default>
	</alias>
	<alias binding="same">
		<family>Twitter Color Emoji</family> 
		<default><family>emoji</family></default>
	</alias>
	<alias binding="same">
		<family>EmojiOne Mozilla</family> 
		<default><family>emoji</family></default>
	</alias>
	
	<alias binding="same">
		<family>Emoji Two</family>
		<default><family>emoji</family></default>
	</alias>
	<alias binding="same">
		<family>Emoji One</family>
		<default><family>emoji</family></default>
	</alias>
	
	<alias binding="same">
		<family>Noto Emoji</family> 
		<default><family>emoji</family></default>
	</alias>
	<alias binding="same">
		<family>Android Emoji</family> 
		<default><family>emoji</family></default>
	</alias>

<match>
		<test name="family">
			<string>emoji</string>
		</test>
		<edit name="lang" mode="prepend">
			<string>und-zsye</string>
		</edit>
	</match>

<match>
		<test name="lang">
			<string>und-zsye</string>
		</test>
		<test qual="all" name="family" compare="not_eq">
			<string>emoji</string>
		</test>

<edit name="family" mode="append" binding="strong">
			<string>emoji</string>
		</edit>
	</match>

<alias binding="same">
		<family>XITS Math</family> 
		<default><family>math</family></default>
	</alias>
	<alias binding="same">
		<family>STIX Two Math</family> 
		<default><family>math</family></default>
	</alias>
	<alias binding="same">
		<family>Cambria Math</family> 
		<default><family>math</family></default>
	</alias>
	<alias binding="same">
		<family>Latin Modern Math</family> 
		<default><family>math</family></default>
	</alias>
	<alias binding="same">
		<family>Minion Math</family> 
		<default><family>math</family></default>
	</alias>
	<alias binding="same">
		<family>Lucida Math</family> 
		<default><family>math</family></default>
	</alias>
	<alias binding="same">
		<family>Asana Math</family>
		<default><family>math</family></default>
	</alias>

<match>
		<test name="family">
			<string>math</string>
		</test>
		<edit name="lang" mode="prepend">
			<string>und-zmth</string>
		</edit>
	</match>

<edit name="family" mode="append" binding="strong">
			<string>math</string>
		</edit>
	</match>

</fontconfig>

[✗] CANCEL