gentoo-overlay/sci-astronomy/casa-data/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<herd>sci-astronomy</herd>
<longdescription lang="en">
  Observatory tables, ephemerides and other software data related to
  the Common Astronomy Software Applications (CASA) suite.
</longdescription>
</pkgmetadata>