Why do I get this error?

From: Jeremy Carlson <jlc@jeremycarlson.com>
Date: Thu, 26 Apr 2001 14:56:58 -0700
To: <www-validator-css@w3.org>
Message-ID: <B70DE7BA.C8D%jlc@jeremycarlson.com>

Hi,

I'm trying to validate
http://www.tribalfiber.com/test/frombluerobot.css

and I keep getting this error:
I/O Error: Unknown mime type: text/plain

Is there something the sheet is missing?

Many thanks,
Jeremy Carlson
jlc@jeremycarlson.com

Received on Thursday, 26 April 2001 17:50:06 UTC