Admittedly obscure HTML doc't fools validator

Uploading the attached document gives the 'no charset' response, which
is evidently false.

NSGMLS is happy with this one.

What am I missing, or is this a bug?

Thanks

ht

-- 
 Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
                     Half-time member of W3C Team
    2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
            Fax: (44) 131 650-4587, e-mail: ht@inf.ed.ac.uk
                   URL: http://www.ltg.ed.ac.uk/~ht/
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