fonts.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
  <match target="font">
    <edit name="antialias" mode="assign">
      <bool>true</bool>
    </edit>
    <edit name="autohint" mode="assign">
      <bool>true</bool>
    </edit>
    <edit name="hinting" mode="assign">
      <bool>true</bool>
    </edit>
    <edit name="hintstyle" mode="append">
      <const>hintfull</const>
    </edit>
    <edit name="rgba" mode="append">
      <const>rgb</const>
    </edit>
    <edit name="lcdfilter" mode="append">
      <const>lcddefault</const>
    </edit>
  </match>
  <match target="pattern">
    <edit mode="assign" name="dpi">
      <double>96</double>
    </edit>
  </match>

  <!-- make firefox ignore crappy fonts -->
  <match target="pattern">
    <test name="family" qual="any">
        <string>Helvetica</string>
    </test>
    <edit name="family" mode="assign" binding="same">
        <string>sans-serif</string>
    </edit>
  </match>
  <match target="pattern">
    <test name="family" qual="any">
      <string>Times</string>
    </test>
    <edit name="family" mode="assign" binding="same">
      <string>serif</string>
    </edit>
  </match>
  <match target="pattern">
    <test name="family" qual="any">
      <string>Courier</string>
    </test>
    <edit name="family" mode="assign" binding="same">
      <string>mono</string>
    </edit>
  </match>
  <match target="pattern">
    <test name="family" qual="any">
      <string>Terminal</string>
    </test>
    <edit name="family" mode="assign" binding="same">
      <string>mono</string>
    </edit>
  </match>

  <!-- Pick Manjari for Malayalam -->
  <match target="pattern">
    <test name="lang" compare="contains">
      <string>ml</string>
    </test>
    <test qual="any" name="family">
      <string>sans-serif</string>
    </test>
    <edit name="family" mode="prepend" binding="strong">
      <string>Manjari</string>
    </edit>
  </match>

  <match target="pattern">
    <test name="lang" compare="contains">
      <string>ml</string>
    </test>
    <test qual="any" name="family">
      <string>serif</string>
    </test>
    <edit name="family" mode="prepend" binding="strong">
      <string>Manjari</string>
    </edit>
  </match>

  <!-- set default for serif, sans-serif and monospace fonts -->
  <alias>
    <family>sans-serif</family>
    <prefer>
      <family>Cantarell</family>
      <family>Noto Sans</family>
      <family>Manjari</family>
      <family>IPAGothic</family>
      <family>Noto Color Emoji</family>
    </prefer>
  </alias>
  <alias>
      <family>serif</family>
      <prefer>
        <family>Charter</family>
        <family>Noto Serif</family>
        <family>Manjari</family>
        <family>IPAGothic</family>
        <family>Noto Color Emoji</family>
      </prefer>
  </alias>
  <alias>
    <family>sans</family>
    <prefer>
      <family>Cantarell</family>
      <family>Noto Sans</family>
      <family>Manjari</family>
      <family>IPAGothic</family>
      <family>Noto Color Emoji</family>
    </prefer>
  </alias>
  <alias>
      <family>monospace</family>
      <prefer>
        <family>Hack</family>
        <family>Symbola</family>
      </prefer>
  </alias>

  <!-- Add emoji generic family -->
  <alias binding="strong">
    <family>emoji</family>
    <default>
      <family>Noto Color Emoji</family>
    </default>
  </alias>

</fontconfig>