/**
 \defgroup ITKIOXML Module ITKIOXML 
 This module contains classes for reading and writing XML
files with the expat library. 
 \par Dependencies:
 \li \ref ITKExpat 
 \li \ref ITKIOImageBase 
 \dot 
 graph "ITKIOXML" { 
 "ITKIOXML" -- "ITKExpat"; 
 "ITKIOXML" -- "ITKIOImageBase"; 
 } 
 \enddot 
 */