gentoo-overlay/media-libs/openh264/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer>
	<email>axs@gentoo.org</email>
	<name>Ian Stakenvicius</name>
</maintainer>
<use> 
        <flag name='plugin'>Install the Gecko Media Plugin (GMP) for use with Mozilla packages</flag>
</use>
</pkgmetadata>