Michael Ludwig wrote:
You must
use a variable in this case, which, of course, is unfortunate if the
node-set to search is large.
I'd be surprised if you could find a single XSLT processor that actually
makes a deep copy of the full tree. A simple test with several variables
pointing to the root node of several large documents shows no increase
in internal memory usage compared to using only one variable per
document. In other words: use as many variables as you like.
Cheers,
-- Abel Braaksma
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