Hi Folks,
Are there no duplicate websites in this list:
<Websites>
<Website id="Amazon"> http://www.amazon.com </Website>
<Website id="Apple"> http://www.apple.com </Website>
<Website id="Ebay"> http://www.ebay.com </Website>
<Website id="Google"> http://www.google.com </Website>
<Website id="Microsoft"> http://www.microsoft.com </Website>
<Website id="VirginAtlantic"> http://www.virgin-atlantic.com </Website>
</Websites>
Here is an XPath 2.0 expression to answer that question (thanks to Dimitre):
empty(Websites/*[index-of(../*,.)[2]])
Here is an XPath 1.0 expression to answer that question:
not(//Websites/*[. = preceding-sibling::*])
Are there any situations where those two XPath expressions differ in their
answer?
/Roger
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