reactos/lib/libxml2/result/dtd7

   1 <?xml version="1.0"?>
   2 <!DOCTYPE doc [
   3 <!ELEMENT doc (a , b)*>
   4 <!ELEMENT a (#PCDATA)>
   5 <!ELEMENT b (#PCDATA)>
   6 ]>
   7 <doc><a>This</a><b> is a valid document</b></doc>