File fontilus.xml of Package gnome-control-center

<?xml version="1.0" encoding="UTF-8"?>
<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
  <mime-type type="application/x-font-pcf">
    <glob pattern="*.pcf.gz" />
  </mime-type>
  <mime-type type="application/x-font-ttf">
    <glob pattern="*.ttc" />
    <glob pattern="*.TTC" />
  </mime-type>
</mime-info>