some thoughts on 'meaningful equivelence'
* you may have to resort to canonical xml
http://www.w3.org/TR/xml-c14n, though deep-equal() works for me
* also there can be 2 different XSLT documents that when processed
against xml input generate exactly the same results...and I am think
the same applies for 2 different sets of xpath....I would have thought
you would need uniqueness somewhere with this approach
* do u want a measure of equivelance, that is do u want just yes/no or
some degree/measure for representing how close one xml document is to
another? To invert are you looking for a similarity algorithm ? there
is some work on this, but not a lot for XML similarity algorithms
gl, Jim Fuller
*
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