gentoo-overlay/sys-libs/libselinux/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<herd>selinux</herd>
	<longdescription>
		Libselinux provides an API for SELinux applications to get and set
		process and file security contexts and to obtain security policy
		decisions.  Required for any applications that use the SELinux API.
	</longdescription>
</pkgmetadata>