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Re: Must DTDs constrain order?

• From: Soumitra Sengupta <soumitra@b...>
• To: Michael Rossi <mrossi@c...>
• Date: Fri, 27 Oct 2000 10:56:54 -0700

Michael Rossi wrote:

> Evan Lenz wrote:
> >
> > In a DTD, is it possible to not constrain order on a given set of possible
> > elements, while still constraining quantity?
> >
> > For example
> >
> > <!ELEMENT foo (bar, bat?, bang*)>
> >
> > Can I somehow allow bar, bat, and bang to be in any order?  I suspect not
> > but would love to be corrected.

I do not know what model you are planning to use but you could try the
following:

<!ELEMENT foo (bar |  bat  | bang)*>

It will not be unambiguous but will allow you to get it done.

--
Soumitra Sengupta, Ph.D.
Co-Founder and C.T.O.
B-Bop Associates Inc.
Phone: 650-340-2700
Fax  : 650-340-2701
Email: soumitra@b...
http://www.b-bop.com

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  • RE: Must DTDs constrain order?
    • From: Michael Rossi <mrossi@c...>

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