In XSLT 1.0 you have 4 datatypes: number, boolean, string and nodeset.
actually there is another, and that is the type that will be returned in
this case (with an xsl:variable with eleemnt content).
result tree fragment.
Well, yes. Forgot about that in 1.0 but how would the OP test for a result
tree fragment
for the purposes of signifying "nil" or "null" without incurring a runtime
error, given that the operations
permitted on a result tree fragment are a subset of those permitted on a
node-set?
Justin Johansson
*** A horse with no name is called Lambda ***
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