I asked
> Under what circumstances might an element *not* have such a root
> please?
>
No, XSLT 2.0 (and XQuery) allow you to create free-standing
nodes.
Tweaking to generate elements
<xsl:function name="my:ns" as="node-set()">
<xsl:param name="p"/>
<xsl:element name="a" select="{$p+1}"/>
<xsl:element name="b" select="{$p+2}"/> </xsl:function>
So, asking the converse, i.e. how to create, under xslt 2.0,
a node-set *with* a document node, does the (modified) function above
do that? Or is this another nodeset without a document node?
And maybe more importantly, under what circumstances *must* a node-set
have a document node?
regards DaveP
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