OMITTAG NO error when validating

When trying to validate this page:
http://validator.w3.org/check?uri=http://www.efd.lth.se/~d97ji/test.html
I'm getting to following error:
-------
Uh oh! I got the following unknown
error: /usr/local/bin/nsgmls:http://www.efd.lth.se/%7Ed97ji/ny.dtd:148:24:E:
 omitted tag minimization parameter can be omitted only if
    "OMITTAG NO" is specified on the SGML declaration Please make sure you
specified the DOCTYPE properly! 
-------

When I alter my DTD, the error comes and goes.
First of all, I don't know what the error means
and second, I don't belive that the validator 
is working quite correct always. 

Friendly
Jonas Isberg, d97ji@efd.lth.se

Received on Wednesday, 9 August 2000 17:27:32 UTC