gentoo-overlay/virtual/jpeg/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="project">
		<email>graphics@gentoo.org</email>
		<name>Gentoo Graphics Project</name>
	</maintainer>
	<slots>
		<slot name="0">For building against. This is the only slot
			that provides headers and command line tools.</slot>
		<slot name="62">For binary compatibility, provides
			libjpeg.so.62 only.</slot>
	</slots>
</pkgmetadata>