What does this mean??? from Zeke Runyon on 2001-11-14 (www-validator-css@w3.org from November 2001)

From: Zeke Runyon <zrunyon@mac.com>
Date: Wed, 14 Nov 2001 17:32:23 -0500
To: www-validator-css@w3.org
Message-Id: <79287050-D94F-11D5-8A10-003065D72556@mac.com>

Target: http://unixgen.muohio.edu/~runyonr/communist_squirrel/index.shtml
org.xml.sax.SAXException: Please, fix your system identifier (URI) in 
the DOCTYPE rule.

?

My XHTML validates fine...

-zeke runyon


<pre>
  ____            _
|  _ \ _   _  __| | ___     Zeke Runyon
| | | | | | |/ _` |/ _ \    zrunyon@mac.com
| |_| | |_| | (_| |  __/_   zekeworld.home.dhs.org
|____/ \__,_|\__,_|\___(_)  ::Mac OS X 10.1 5M28::

</pre>

Received on Wednesday, 14 November 2001 17:32:18 UTC