Added missing </Para>. Ironic if you look at the last commit on this file.
<ListItem>
<Para>Remember to use <SGMLTag class="StartTag">Para</SGMLTag> inside
<SGMLTag class="StartTag">ListItem</SGMLTag>s.
<ListItem>
<Para>Remember to use <SGMLTag class="StartTag">Para</SGMLTag> inside
<SGMLTag class="StartTag">ListItem</SGMLTag>s.
</ListItem>
</ItemizedList>
</ListItem>
</ItemizedList>