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

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="project">
		<email>gnome@gentoo.org</email>
		<name>Gentoo GNOME Desktop</name>
	</maintainer>
	<use>
		<flag name="dvi">Enable the built-in DVI viewer</flag>
		<flag name="nautilus">Enable property page extension in <pkg>gnome-base/nautilus</pkg></flag>
		<flag name="postscript" restrict="&gt;=app-text/evince-3.26">Enable support for PostScript and Adobe Illustrator documents with <pkg>app-text/libspectre</pkg></flag>
		<flag name="spell">Enable inline spell check for annotations via <pkg>app-text/gspell</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>