I haven't seen programs using 3, 4 or more predicates.
I had a quick look at the stylesheets used in the day job and the most I
see was 11 (although it could be written with fewer, especially with
xslt2, but the predicates I found were originally written for xslt1 (but
used with xslt2 now)
are excessively large number or predicates really useful? (the syntax
allows that ...)
isn't that like asking if complicated expressions are useful?
they are useful if you need them, othewise they are not.
David
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