gentoo-overlay/media-fonts/urwvn-fonts/files/65-urwvn.conf

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE fontconfig SYSTEM "../fonts.dtd">
<!-- /etc/fonts/conf.d/57-dejavu-sans.conf

     Define aliasing and other fontconfig settings for
     DejaVu Sans.

     © 2006-2008 Nicolas Mailhot <nicolas.mailhot at laposte.net>
-->
<fontconfig>
  <!-- Font substitution rules -->
  <alias binding="same">
    <family>Vn Utopia</family>
    <accept>
      <family>Vntopia</family>
    </accept>
  </alias>
</fontconfig>