<document>
  <author>Christopher Diggins</author>
  <name>Hello World program</name>
  <history>
    <version>
      <major>1</major>
      <minor>0</minor>
      <modified>2005-10-26</modified>
    <version>
  </history>
  <source lang="C++ 98">
  <![CDATA[
    #include <iostream>
    int main() {
      std::cout << "hello world" << std::endl;
    }
  ]]>
  </source>
</document>

 <document>
   <author>Christopher Diggins</author>
   <name>Hello World program</name>
   <history>
     <version>
       <major>1</major>
       <minor>0</minor>
       <modified>2005-10-26</modified>
     <version>
   </history>
   <source lang="C++ 98">
   <![CDATA[
     #include <iostream>
     int main() {
       std::cout << "hello world" << std::endl;
     }
   ]]>
   </source>
    <ast>
      <include>isostream</include>
      <function name="main">
        <type>int</type>
        <block>
          <call name="operator<<">
            <call name="operator<<">
              <eval>std::cout</eval>
              <eval>"hello world"</eval>
            </call>
            <eval>std::endl</eval>
          </call>
        </block>
      </function>
    </ast>
 </document>

<document>
   <author>Christopher Diggins</author>
   <name>Hello World program</name>
   <history>
     <version>
       <major>1</major>
       <minor>1</minor>
       <modified>2005-10-26</modified>
       <source lang="Java 1.3">
         <![CDATA[
           package demo;

           public class Example {
             public static void main() {
               System.out.println("I don't depend on anything");
             }         
           }
         ]]>
       </source>
     <version>
     <version>
       <major>1</major>
       <minor>0</minor>
       <modified>2004-11-01</modified>
       <source lang="Java 1.2">
         <![CDATA[
           package demo;
           import OtherClass;

           public class Example {
             public static void main() {
               System.out.println("I do depend on another class");
               OtherClass other = new OtherClass();
               other.doSomething();
             }
           }
         ]]>
       </source>
     <version>
   </history>
 </document>