gentoo-overlay/app-arch/lcab/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
 <email>vapier@gentoo.org</email>
 <description>do whatever</description>
</maintainer>
  <maintainer type="person">
    <email>binki@gentoo.org</email>
    <name>Nathan Phillip Brink</name>
    <description>Upstreamish</description>
  </maintainer>
</pkgmetadata>