gentoo-overlay/sys-fs/zerofree/metadata.xml

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

	<longdescription>
		zerofree is a small utility designed to zero-out the free space on a filesystem.  It is especially useful for guests on a virtual machine before compacting their disk images.
	</longdescription>
</pkgmetadata>