XPathEvaluator.evaluate problem

  We have a DOM and my app adds an element to the
tree, I am writing the DOM out to make sure we have
infact added the element, on the next line, I say get
me the element which I added just now using XPath
expression, it comes back as null.  
	In general, I am able to retrieve any element which
were initially loaded by the DOM using XPath
expression but I am unable to retrieve any element
which I added after the load using XPath expression.
Interestingly, I can retrieve the added element using
the good old Document.getElementsByTagName( ) method. 

	I am guessing this has something to do with the way
we load the DOM and then we add the element. I mean
setting features of the DOM parser while creation  and
or creation of element using Document object and some
other method instead of simple createElement method. 

	I can share the code over email if somebody wants to
have a look and see where and what I am missing. 



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