HTTP error 0

To: hobbit <hobbit (at) hswn.dk>
Subject: HTTP error 0
From: "Larry Barber" <lebarber (at) gmail.com>
Date: Thu, 30 Nov 2006 16:33:04 -0600
Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:mime-version:content-type; b=nFqYeHuUWJ/cB3Oz4ZRT4oT1GGHQQx7o/Dp1JtSGKidrLK/DCyJLxMRsVBNHU38VsgYDlhNnUKBSWwKsVvzCaPnaveDJ8wfuwvrLELWj66ApTU2NynPXnB8UaXQpusly8AMzbVMa8ie8ZMJGWhxKKRi7n3SVHUpiTCtjXzu4Dr0=

What does "HTTP error 0" signify when given as the result of an http test?
An empty page?

Thanks,
Larry Barber