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Title: Schema question
This is possible in XML Schema, as the two <product> elements could be declared in different namespaces with the namespace prefixes omitted (unqualified) in the XML instance as shown below. However, as you correctly point out it's not the best approach given the XML instance below, as the <product> element names should really be more descriptive - i.e. the outer could be labeled to indicate "product information" (however you choose to represent it in a tag - e.g. <productinformation>, <product_information>, <product.info>, or <ProductInformation>) and the inner could be labeled to indicate "product information location" or "product URL" (the former is probably better as it is agnostic as to the location representation mechanism and therefore multiple mechanisms may be accepted).
 
Joe


From: Alex Stankovic [mailto:alex.stankovic@g...]
Sent: Tue 7/25/2006 10:25 PM
To: xml-dev@l...
Subject: Schema question

Hello everybody,

I have to process a XML document that's looks like this (I don't have
a choice in the layout since I'm receiving the document from a third
party):

<?xml version="1.0" encoding="UTF-8"?>
<root>
  <product>
    <name>Product name</name>
    <url>
      <product>http://product.url.com</product>
      <image>http://product.image.com</image>
    </url>
  </product>
  <product>
    <name>Product name 2</name>
    <url>
      <product>http://product.url.com</product>
      <image>http://product.image.com</image>
    </url>
  </product>
</root>

As you can see element name "product" is used as a product container
and as the child of url element. I'm not XML expert but I think that's
not very smart. How can I write a XSD schema to validate this type of
document when an element name can mean two different things? Is it
even possible?

Thanks,
Alex

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