Validates incorrect HTML

Hi,
 
We have noticed an anomaly in the HTML Validator. It seems to allow HTML
with a </HEAD> element missing to pass through sucessfully.
 
I have attached a copy of the source we were using.
 
Thank you
 
Tony Brindle 
Technical Consultant, 
Big Picture Interactive Ltd, 
9 Parade, Leamington Spa, 
Warwickshire, CV32 4DG. 
(01926) 422002 
(01926) 450945 (fax) 
tony.brindle@bigpictureinteractive.co.uk
<mailto:tony.brindle@bigpictureinteractive.co.uk>  
http://www.bigpictureinteractive.co.uk/
<http://www.bigpictureinteractive.co.uk/>