1 <root>
   2          t
   3     <![CDATA[ ]]>
   4     t   
   5     
   6     <child1/>
   7         t
   8     <!-- test comment -->
   9     <child2/>
  10     <child5>
  11                 t
  12         <?target1 test?>
  13         <child51>
  14             <child511>t</child511>
  15         </child51>
  16         <?target1 test?>
  17                 t
  18     
  19     </child5>
  20 </root>