<?xml version="1.0"?>
<!DOCTYPE root [
  <!ELEMENT root (PCDATA|b)* >
  <!ELEMENT b (#PCDATA) >
  <!ATTLIST b attr1 CDATA #REQUIRED>
  <!ATTLIST b attr2 (abc|def) "abc">
  <!ATTLIST b attr3 CDATA #FIXED "fixed">
]>
<root>
  <b attr1="value1" attr2="abc" attr3="shoudbefixed">attr3 value not fixed</b>
</root>
<!--* testing P41 VC: AtributeValueType*-->