The EXSLT Common package provides basic functions that expand upon the capabilities of XSLT. The namespace for the Common package is
exsl:node-set()returns a node-set from a result tree fragment, which is what you get when you look at the
xsl:variableinstead of its select attribute to fetch a variable's value. This lets you process the XML created within a variable to process it in multiple steps.
exsl:object-type()returns a string that indicates the type of the specified object.
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