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Don Box scripsit:
> > Wow! I was knocked out by this one. What good are datatypes if one can
> > work in terms of the value space of the type rather than the lexical
> > form?
> In case it wasn't obvious, that sentence should have read "What good are
> datatypes if one CANNOT work in terms of the value space..."
Oh, one definitely can. To express "nonzero integer" properly,
the Right Thing is:
xsd:integer - (xsd:integer "0")
Just because I can't always think of the R.T. on the fly, doesn't
mean it doesn't exist!
John Cowan <firstname.lastname@example.org> http://www.reutershealth.com
I amar prestar aen, han mathon ne nen, http://www.ccil.org/~cowan
han mathon ne chae, a han noston ne 'wilith. --Galadriel, _LOTR:FOTR_