<?xml  version="1.0"?>
<!-- validity test for Production 60-->
<!DOCTYPE Java 
 [
 <!ELEMENT Java ANY>
 <!ELEMENT one EMPTY>
 <!ATTLIST one chapter CDATA #FIXED "Introduction">
  ]>
<Java>
<one chapter="Introduction"></one>
An attribute has a default value declared with the #FIXED keyword, 
and an instances of that attribute is given a value which is exactly 
the same as the default value in the declaration. 
</Java>