Listing 21.8. Dokument inside.html z ćwiczenia 21.6
<ul>
    <li><a target="_blank" href="http://helion.pl">Helion</a> (_blank)</li>
    <li><a target="_self" href="http://onepress.pl">Onepress</a> (_self)</li>
    <li><a target="_parent" href="http://sensus.pl">Sensus</a> (_parent)</li>
    <li><a target="_top" href="http://septem.pl">Septem</a> (_top)</li>
</ul>