*** self test program for CHTMLTree class
load result ... 0
save to the standard output (1):
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html>
<head><title>chtmltree-test.html</title></head>
<body>
<h1>introduction</h1>
<p>
   this is a test document for &quot;chtmltree-test.out&quot;.
</p>
</body>
</html>
save result ... 0
make empty document:
add the root object:
save to the standard output (2):
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html></html>
save result ... 0
bye
