I am reading this article -
  http://www.xml.com/lpt/a/2005/02/02/xpath2.html


  It says..
  "A sequence is an unordered collection of zero or more
  items."
  (Please note the word unordered).


That's a typo. He meant ordered.

  This means, that the sequence representation of XPath
  2.0 expression will be unordered.. Is this true? I
  think, this was not the case with XPath 1.0? 


XPath 1.0 does not have sequences at all. It has node sets which are of
course unordered.

David


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