<?xml version="1.0"?>

<?xml-stylesheet   href="doc.xsl"
   type="text/xsl"   ?>

<!DOCTYPE html SYSTEM "xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head><title>canonicalform01</title><script type='text/javascript' src='selfxhtml.js'></script><script charset='UTF-8' type='text/javascript' src='canonicalform08.js'></script><script type='text/javascript'>function loadComplete() { startTest(); }</script></head><body onload="loadComplete()">
<p>Hello, world!<!-- Comment 1 --></p></body></html>

<?pi-without-data     ?>

<!-- Comment 2 -->

<!-- Comment 3 -->