gentoo-overlay/app-accessibility/gnome-speech/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<herd>java</herd>
	<herd>gnome-accessibility</herd>
	<use>
		<flag name='espeak'>Adds support for the espeak speech driver (default)</flag>
		<flag name='festival'>Adds support for the festival speech driver</flag>
	</use>
</pkgmetadata>