@filesource tag dont work?

[x2ADLcRoo33ZygUA]

• phpDocumentor version: 3.3.1 (phar)
• template: default (but i have tried others)
• test php file:

<?php
/**
 * @filesource
 */

/**
 * @author alice
 */
class Test {}

• cli run command: php phpDocumentor.phar -d . -t result
• what i get:
  
• what i expect: I'm not sure, maybe a demonstration of the full source code of the file on this page?

Hello. I'm trying to understand how and if the @filesource tag works. Its addition does not lead to any visible result.