gentoo-overlay/app-portage/conf-update/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer>
  <email>nimiux@gentoo.org</email>
  <name>José María Alonso</name>
</maintainer>
<longdescription lang="en">
  conf-update is a ncurses-based config managment tool
</longdescription>
<longdescription lang="es">
  conf-update es una herramienta de gestión de la configuración
  basada en ncurses
</longdescription>
<use>
  <flag name='colordiff'>Use colors when displaying diffs
    (<pkg>app-misc/colordiff</pkg>)</flag>
</use>
</pkgmetadata>