ARK-OS/arkos/arkrt/libxkbcommon/test/data/extensions/with-rules-2/p2/rules/evdev.extras.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xkbConfigRegistry SYSTEM "xkb.dtd">
<xkbConfigRegistry version="1.1">
  <optionList>
    <group allowMultipleSelection="true">
      <configItem popularity="exotic">
        <name>opt</name>
        <description>!!!</description>
      </configItem>
      <option>
        <configItem popularity="exotic">
          <name>opt:2</name>
          <description>2</description>
        </configItem>
      </option>
    </group>
  </optionList>
</xkbConfigRegistry>