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Re: how to make the order of elements in the DTD null n void

• To: Varun Suri <varunsuri@t...>
• Subject: Re: how to make the order of elements in the DTD null n void
• From: John Cowan <cowan@c...>
• Date: Tue, 22 Jun 2004 09:44:25 -0400
• Cc: xml-dev@l...
• In-reply-to: <40D82E1D.70907@t...>
• References: <40D815D0.7080206@t...> <MABBLFFBAGDONBKFHNFLOEHFFEAA.hchatfield@u...> <20040622124549.GA25504@c...> <40D82E1D.70907@t...>
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Varun Suri scripsit:

> The problem is, we already have quite many XML (2500)
> which we need to validate against any of the validators
> that could be DTD , W3 Schemas or RELAX NG.
> 
> The only inconsistency in the XMLs is that the order of child
> elements are not fixed. The child elements could contain sub
> elements themselve.
> 
> We initailly tried converting the DTD to a schema and changed all
> xs:sequence to xs:all , but still the problem wasn't solved because
> maxOccurs cannot be more that 1 for our ELEMENT* of the DTDs.

You need to use RELAX NG in that case.  The compact mode of RELAX NG
is very close to DTD style, and should be easy to learn.  See
http://www.relaxng.org for tutorial and reference information, or
pick up the O'Reilly book.

The RELAX NG "interleave" (or "&" in compact syntax) is what you
want: it allows elements to appear just once in any order desired.

-- 
John Cowan      cowan@c...        http://www.ccil.org/~cowan
        Is it not written, "That which is written, is written"?

• References:
  • how to make the order of elements in the DTD null n void
    • From: Varun Suri <varunsuri@t...>
  • RE: how to make the order of elements in the DTD null n void
    • From: "W. Hugh Chatfield I.S.P." <hchatfield@u...>
  • Re: how to make the order of elements in the DTD null n void
    • From: John Cowan <cowan@c...>
  • Re: how to make the order of elements in the DTD null nvoid
    • From: Varun Suri <varunsuri@t...>

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