Dimitre Novatchev writes:
 > >There is no query which yields visibly different results.
 > 
 > ????? 
 > 
 > There are ***many*** Xpath expressions, which will produce different
 > results when you swap the two nodes:
 > 
 > 1. generate-id($node)
 > 
 > 2. count($node/preceding::node())
 > 
 > 3. count($nodeset[position() < 4 and count(preceding::*) = $num1])

These all are *relative* expressions - so these queries use the
_premise_ the nodes can be distinguished to show that they can be
distinguished.

For all (absolute) queries on the document

  //path/one-of-the-above-expressions

there is no difference if the nodes are exchanged.

Wolfgang

 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list