gentoo-overlay/app-emacs/emhacks/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<herd>emacs</herd>
<longdescription>
  The EMHACKS project goal is to provide a set of useful libraries to help
  using Emacs or XEmacs.

  Among those libraries you will find:
  gdiff,    Use an external GUI diff tool from [X]Emacs;
  jjar,     Java Archive builder;
  jmaker,   Java Makefile generator;
  swbuff,   Quick switch between Emacs buffers;
  tabbar,   Display a tab bar in the header line.
</longdescription>
<use>
  <flag name='jde'>Enable support for Java Development Environment</flag>
</use>
</pkgmetadata>