gentoo-overlay/app-text/evince/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<herd>gnome</herd>
	<use>
		<flag name="gnome">Enable the use of <pkg>gnome-base/gconf</pkg> to honour
			lockdown settings</flag>
		<flag name="dvi">Enable the built-in DVI viewer</flag>
		<flag name="libsecret">Enable support for credentials store</flag>
		<flag name="nautilus">Enable property page extension in <pkg>gnome-base/nautilus</pkg></flag>
		<flag name="t1lib">Enable the Type-1 fonts for the built-in DVI viewer
			(<pkg>media-libs/t1lib</pkg>)</flag>
		<flag name="xps">Enable XPS viewer using <pkg>app-text/libgxps</pkg></flag>
	</use>
</pkgmetadata>