Basic question about Namespace handling in XPath 1.0 (not necessarily re

Hi All,

While going thro' the XPath 1.0 spec's LocationPath, I was wondering how 
the node selection is handled when the nodes are in their own 
namespaces. To explain in detail,
Let us take the following Xml example:

<?xml version="1.0">
<customers *xmlns*="http://www.customers.com";>
  <customer *xmlns:sup*="http://www.suppliers.com";>
      <*sup:name>*sgd</sup:name>
      <*sup:*pwd>hello</sup:pwd>
      <*sup:*details>
          *<order xmlns:sup*="http://www.anothersupplier.com"; *xmlns=""*>
               <*sup:name>*sr</sup:name>
          </order>
      </sup:details>
      <customerName>pr</customerName>
      *<order/>*
  </customer>
</customers>

So, two questions in this:

1. If we have a XPath like "//sup:name", how will the XPath processor 
know which "sup:name" will have to be returned? (considering that there 
are two sup:name elements that are in two different namespaces.
2.  Similarly, if we have a XPath such as "//order", which "order" will 
be considered considering that there are two order elements both in 
default namespace (first order element is actually in null namespace 
whereas the second one in default namespace declared in the root element)
Thanks,
Prakash


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