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DTD fixed attributes

If I use a DTD to give an attribute a #FIXED value, does that mean:

(a) If attribute not given in instance, a parser will not return the


(b) The attribute will always be returned, even if it is not in the

If the answer is (b), how would I get the semantics of having "false"
as a default value and "true" (or "true | "false") being the only
allowed value(s) in the instance? (I tried defining is as an
enumeration of "true" | "false", but that would not let me put a
default value on it).

Is my best bet just to make it an optional attribute and simply treat
its presence (with any value) as meaning True, and absence meaning

May the flares be with you,
 Kevin                   mailto:xmldude@burieddreams.com

+++++++++++++ Cool music - http://mp3.com/marshan
++ Attitude Rock Webzine - http://burieddreams.com/attitude