The value contains the XML document. The XML document is embedded in the HMTL page.
If you use the xml param then you can't use the xmlsource param (they are mutually exclusive).
<HTML>
...
<APPLET code="diputree.class" archive="diputree.jar"
height="300" width="200">
<PARAM NAME="xml"
VALUE="<diputree><has><b><lt>it
works!</lt></b></has></diputree>">
</APPLET>
...
</HTML>