gentoo-overlay/mail-client/alpine/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<herd>net-mail</herd>
	<use>
		<flag name='chappa'>enhance alpine by applying Eduardo Chappa's
			patches</flag>
		<flag name='onlyalpine'>installs only the alpine binary, so it does
			not collied with <pkg>app-editors/pico</pkg> and/or 
			<pkg>mail-client/pine</pkg></flag>
		<flag name='passfile'>Adds support for caching passwords into a file
			between sessions</flag>
		<flag name='smime'>Enable support for S/MIME</flag>
		<flag name='topal'>Enable support for <pkg>net-mail/topal</pkg></flag>
	</use>
</pkgmetadata>