gentoo-overlay/sys-auth/pam_radius/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <!-- maintainer-needed -->
  <longdescription>
    This is the PAM to RADIUS authentication module. It allows any
    PAM-capable machine to become a RADIUS client for authentication
    and accounting requests.
  </longdescription>
</pkgmetadata>