1 <?xml version="1.0" encoding="ISO-8859-1"?>
   2 <persons>
   3     <person>
   4         <full_name>Hege Refsnes</full_name>
   5         <!-- Error: middle_name expected here -->
   6         <!-- Error: child_name expected here -->
   7     </person>
   8     <person>
   9         <full_name>Hege Refsnes</full_name>
  10         <!-- Error: At least 2 middle_name expected -->
  11         <middle_name>John</middle_name>
  12         <!-- Error: child_name expected here -->
  13     </person>
  14     <person>
  15         <full_name>Hege Refsnes</full_name>
  16         <!-- Error: At least 3 child_name expected -->
  17         <child_name>John</child_name>
  18         <child_name>Doe</child_name>
  19     </person>
  20 </persons>