gentoo-overlay/sys-devel/flex/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="project">
		<email>base-system@gentoo.org</email>
		<name>Gentoo Base System</name>
	</maintainer>
	<upstream>
		<remote-id type="sourceforge">flex</remote-id>
		<remote-id type="github">westes/flex</remote-id>
		<remote-id type="cpe">cpe:/a:flex_project:flex</remote-id>
	</upstream>
</pkgmetadata>