On 28/03/2012 12:16, Hermann Stamm-Wilbrandt wrote:
I used Kaysian method as described in this document (section 1c), sofar:
http://www.xml.org//sites/www.xml.org/files/xslt_efficient_programming_techniques.pdf#page=3
Now I wanted to use it similarly for nodesets from different parts of
document.
That does not work because /flags[1]/flag[.='A'] is not the same node
as /flags[2]/flag[.='A'].
Is it possible to get the flag with "A" for $int and flags for "A", "B" and
"C" for $uni?
If so, with keys?
The so-called Kaysian method is a way of doing identity-based node-set
intersection and difference in XSLT 1.0, which does not offer the
"intersect" and "except" operators.
You seem to be wanting to do equality-based intersection and difference,
which is actually much simpler, for example
$x/ns1/flags/flag[not(. = $x/ns2/flags/flag)]
selects the flags that are in ns1 but not in ns2.
Michael Kay
Saxonica
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