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

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="person">
		<email>mschiff@gentoo.org</email>
	</maintainer>
	<use>
		<flag name="maps">Installs additional GSHHS maps for high resolution coastline data and cities</flag>
	</use>
</pkgmetadata>