Mike Brown 

>So, count(@*) should never vary, but generate-id(@*[1]) in one
>implementation might be equal to generate-id(@*[5]) in some other
>implementation. 

I would hope that would fail Mike.
An id on an attribute?
<q>The generate-id function returns a string that uniquely identifies the
node 
in the argument node-set that is first in document order. </q>
I see the param is node-set, so perhaps you are right!
I'd love to see that tested :-)


>Also, it seems to be complicated by the fact that element 
>nodes do have a
>natural order. Take for example the node-set returned by this XPath
>expression for an imaginary XHTML document: "//img/@*" ... Could I be
>assured that //img[1]'s attribute nodes would come before //img[2]'s?

Suggest yes because then you are dealing with the in-memory
model which should be consistant.

Regards, DaveP


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