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Re: [xsl] How to count the distinct values where elements with missing child are counted as one of the distinct values?

2022-05-27 11:05:28

Use count(distinct-values(/test/row/string(transition)))

I would use the more obvious and self-explanatory:

let $test := /test/row
  return
     count(distinct-values($test/transition)) + 1[$test[not(transition)]]


Actually, that's not equivalent. My solution (using string()) treats an empty 
transition element and an absent transition element as equivalent; DImitre's 
solution treats them as distinct.

Michael Kay
Saxonica
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