<?xml version="1.0" encoding="UTF-8"?>
  <!ELEMENT logging (handler*, logger*)>
  <!ELEMENT handler (property*, filter?, formatter?)>
  <!ATTLIST handler
  class	    CDATA #REQUIRED
  >
  <!ELEMENT filter EMPTY>
  <!ATTLIST filter
  class	    CDATA #REQUIRED
  >
  <!ELEMENT formatter EMPTY>
  <!ATTLIST formatter
  class	    CDATA #REQUIRED
  >
  <!ELEMENT property EMPTY>
  <!ATTLIST property
  name	    CDATA #REQUIRED
  value	    CDATA #REQUIRED
  >
  <!ELEMENT logger (handler*)>
  <!ATTLIST logger
  name	    CDATA #REQUIRED
  level	    CDATA #REQUIRED
  useParentHandlers (true|false) "true"
  >