gentoo-overlay/media-plugins/vdr-cdplayer/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>vdr@gentoo.org</email>
<name>Gentoo VDR Project</name>
</maintainer>
<use>
<flag name="cdparanoia">Enable cdparanoia (audio CD ripper) support</flag>
</use>
</pkgmetadata>