gentoo-overlay/media-fonts/joypixels/files/99-joypixels.conf

<?xml version="1.0" encoding="UTF-8"?>
<!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>Recognize legacy ways of writing JoyPixels family name</description>
  <match target="pattern">
    <test qual="any" name="family"><string>EmojiOne</string></test>
    <edit name="family" mode="assign" binding="same"><string>JoyPixels</string></edit>
  </match>
  <match target="pattern">
    <test qual="any" name="family"><string>Emoji One</string></test>
    <edit name="family" mode="assign" binding="same"><string>JoyPixels</string></edit>
  </match>
  <match target="pattern">
    <test qual="any" name="family"><string>EmojiOne Color</string></test>
    <edit name="family" mode="assign" binding="same"><string>JoyPixels</string></edit>
  </match>
  <match target="pattern">
    <test qual="any" name="family"><string>EmojiOne Mozilla</string></test>
    <edit name="family" mode="assign" binding="same"><string>JoyPixels</string></edit>
  </match>
</fontconfig>