/*xml
<module name="Checker">
  <module name="RegexpMultiline">
      <property name="format" value="^\s*$" />
      <property name="matchAcrossLines" value="true" />
      <property name="message" value="Empty file is not allowed" />
  </module>
</module>
*/

// xdoc section - start
/var/tmp$ cat -n Test.java
1
2
3
4
// xdoc section - end
