More empty sequence 'fun':
What is the base type of (), is it a node or an atomic, or something else?
I can specify empty-sequence() as the sequence type:
<xs:variable name="foo" select="()" as="empty-sequence()"/>
...but its not mentioned in the type hierarchy:
http://www.w3.org/TR/xquery-operators/#datatypes
--
Andrew Welch
http://andrewjwelch.com
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