This text is generated by the PHP script engine, not by a plain HTML file.
If you right click and choose View Source you will not see PHP code, but rather the HTML that the PHP generates.
Click here to download a copy of this file. The file you download may not match this file exactly, as I frequently update file on the site.
Here are some bits of text generated by calls to the PHP script engine:
This file last modified: February 01 2012 11:34:32.