gentoo-overlay/dev-java/cacao/metadata.xml

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

<pkgmetadata>
<herd>java</herd>

<longdescription>
CACAO is started out as a research JIT compiler for Java to explore new 
implementation techniques. It is now a full-blown Java Virtual Machine
based on GNU Classpath.
</longdescription>
</pkgmetadata>