virtual/libc/metadata.xml - third_party/overlays/portage-stable - Git at Google

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>toolchain</herd>
 <herd>embedded</herd>
 <herd>bsd</herd>
 </pkgmetadata>
	<?xml version="1.0" encoding="UTF-8"?>
	<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
	<pkgmetadata>
	<herd>toolchain</herd>
	<herd>embedded</herd>
	<herd>bsd</herd>
	</pkgmetadata>