OnStartDocument()
	Document start 	parameters:  
OnStartElement()
	Element start namespace:  	 prefix:  	name: doc
OnContent()
OnStartElement()
	Element start namespace:  	 prefix:  	name: a
OnContent()
	Content of element: xyz] 
OnEndElement()
	Element end namespace:  	 prefix:  	name: a
OnContent()
OnError()
	Error function - error occurs -993 
