1:<project name="project1" default="validate_project_files">
   2:
   3:    <target name="validate_project_files">
   4:        <!-- Make sure the files are valid  -->
   5:        <xmlvalidate    failonerror="yes" lenient="no" warn="yes"
   6:                        classname="org.apache.xerces.parsers.SAXParser"
   7:                        classpath="lib/xerces.jar"
   8:        >
   9:            <fileset dir="." includes="**/*.xml"/>
  10:            <attribute name="http://xml.org/sax/features/validation" value="true"/>
  11:            <attribute name="http://apache.org/xml/features/validation/schema"  value="true"/>
  12:        </xmlvalidate>
  13:        <echo message="Project files have been validated"  />
  14:    </target>
  15:</project>