gentoo-overlay/media-tv/tvbrowser/metadata.xml

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <herd>java</herd>
  <use>
    <flag name="themes">Install extra theme packs</flag>
  </use>
  <upstream>
    <remote-id type="sourceforge">tvbrowser</remote-id>
  </upstream>
</pkgmetadata>