R/1999/WD-xhtml1-19991124</a></dd>
<dd><a href=
"http://www.w3.org/TR/1999/PR-xhtml1-19990824">
http://www.w3.org/TR/1999/PR-xhtml1-19990824</a></dd>

<dt>Authors:</dt>

<dd>See <a href="#acks">acknowledgements</a>.</dd>
</dl>

<p class="copyright"><a href= 
"http://www.w3.org/Consortium/Legal/ipr-notice#Copyright">
Copyright</a> &copy; 1999 <a href="http://www.w3.org/">W3C</a><sup>&reg;</sup>
(<a href="http://www.lcs.mit.edu/">MIT</a>, <a href= 
"http://www.inria.fr/">INRIA</a>, <a href=
"http://www.keio.a