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

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<herd>emacs</herd>
<longdescription>
  wgrep allows you to edit a grep buffer and apply those changes to
  the file buffer.
</longdescription>
</pkgmetadata>