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

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<!-- maintainer-needed -->
	<longdescription lang="en">
		acdctl is a command-line utility to control the otherwise inaccessible
		brightness levels of an Apple Cinema Display on any system with libusb
		support.
	</longdescription>
</pkgmetadata>