FM / conf.avail

/usr/share/fontconfig/conf.avail

Name	Size	Mode	Actions
05-reset-dirs-sample.conf	213	0644	edit dl rm
09-autohint-if-no-hinting.conf	717	0644	edit dl rm
10-autohint.conf	630	0644	edit dl rm
10-hinting-full.conf	616	0644	edit dl rm
10-hinting-medium.conf	620	0644	edit dl rm
10-hinting-none.conf	616	0644	edit dl rm
10-hinting-slight.conf	620	0644	edit dl rm
10-no-antialias.conf	260	0644	edit dl rm
10-scale-bitmap-fonts.conf	2068	0644	edit dl rm
10-sub-pixel-bgr.conf	672	0644	edit dl rm
10-sub-pixel-none.conf	647	0644	edit dl rm
10-sub-pixel-rgb.conf	672	0644	edit dl rm
10-sub-pixel-vbgr.conf	682	0644	edit dl rm
10-sub-pixel-vrgb.conf	682	0644	edit dl rm
10-unhinted.conf	625	0644	edit dl rm
10-yes-antialias.conf	258	0644	edit dl rm
11-lcdfilter-default.conf	695	0644	edit dl rm
11-lcdfilter-legacy.conf	692	0644	edit dl rm
11-lcdfilter-light.conf	689	0644	edit dl rm
11-lcdfilter-none.conf	686	0644	edit dl rm
20-unhint-small-vera.conf	1377	0644	edit dl rm
25-unhint-nonlatin.conf	3329	0644	edit dl rm
30-metric-aliases.conf	13610	0644	edit dl rm
35-lang-normalize.conf	48373	0644	edit dl rm
40-nonlatin.conf	7981	0644	edit dl rm
45-generic.conf	3490	0644	edit dl rm
45-latin.conf	7159	0644	edit dl rm
48-spacing.conf	441	0644	edit dl rm
49-sansserif.conf	639	0644	edit dl rm
50-user.conf	751	0644	edit dl rm
51-local.conf	263	0644	edit dl rm
53-monospace-lcd-filter.conf	943	0644	edit dl rm
60-generic.conf	1911	0644	edit dl rm
60-latin.conf	2166	0644	edit dl rm
65-fonts-persian.conf	10132	0644	edit dl rm
65-khmer.conf	304	0644	edit dl rm
65-nonlatin.conf	9876	0644	edit dl rm
69-unifont.conf	687	0644	edit dl rm
70-force-bitmaps.conf	326	0644	edit dl rm
70-no-bitmaps-and-emoji.conf	373	0644	edit dl rm
70-no-bitmaps-except-emoji.conf	429	0644	edit dl rm
70-no-bitmaps.conf	304	0644	edit dl rm
70-yes-bitmaps.conf	77	0644	edit dl rm
80-delicious.conf	437	0644	edit dl rm
90-synthetic.conf	1757	0644	edit dl rm

Edit: /usr/share/fontconfig/conf.avail/45-generic.conf (3490B)

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "urn:fontconfig:fonts.dtd">
<fontconfig>
  <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>JoyPixels</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>

cmd: