gentoo-overlay/media-sound/shntool/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="project">
    <email>sound@gentoo.org</email>
    <name>Gentoo Sound project</name>
  </maintainer>
  <use>
    <flag name="mac">Add support for Monkey's Audio files</flag>
    <flag name="alac">Add support for Apple Lossless Audio Codec files</flag>
    <flag name="shorten">Add support for the shorten audio compressor</flag>
  </use>
</pkgmetadata>