gentoo-overlay/media-sound/kid3/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <herd>kde</herd>
  <herd>sound</herd>
  <use>
    <flag name="chroma">Enable support for acoustic fingerprinting plugin using
      (<pkg>media-libs/chromaprint</pkg>)</flag>
  </use>
  <upstream>
    <bugs-to>http://sourceforge.net/tracker/?group_id=70849</bugs-to>
    <remote-id type="sourceforge">kid3</remote-id>
  </upstream>
</pkgmetadata>