Get sub-tree as text

[Honglin Su <hosu@xxxxxxxxxxxxx>]

I am using xalan 1.0.1, when I apply an XSL stylesheet to an XML document,
it passes the current NodeList to an extension java class, which will
return the text string of the whole sub-tree. 

e.g.
<customers>
 <customer>
   <name>John Smith</name>
 </customer>
</customers>

If I process the current node: <customers>, it would return the whole
sub-tree as String:

<customers>
 <customer>
   <name>John Smith</name>
 </customer>
</customers>        

Your help is much appreciated.

Honglin


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