<xsl:variable name="y" as="string?">hello</xsl:variable>
$x is (a sequence of one) string with value "hello"
Is this really the case? Does it really mean that the
processor doesn't
construct the temporary tree (and then atomise it?) - if so then it's
really useful.
The semantics are that the processor creates a text node and then atomizes
it to a string.
What happens internally is of course up to the optimizer.
Michael Kay
http://www.saxonica.com
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