gentoo-overlay/app-misc/golly/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">

<pkgmetadata>
  <maintainer type="person">
    <email>xgqt@gentoo.org</email>
    <name>Maciej Barć</name>
  </maintainer>
  <longdescription>
    Golly is an open source, cross-platform application for exploring Conway's
    Game of Life and many other types of cellular automata.
  </longdescription>
  <upstream>
    <doc>https://golly.sourceforge.net/Help/index.html</doc>
    <remote-id type="sourceforge">golly</remote-id>
  </upstream>
</pkgmetadata>