RE: Re: XSLT 2.0: On xsl:sequence and xsl:copy-of

MK said:
>  It's not redundant in cases like:
> 
> <xsl:variable name="x" select="document('invoice.xml')"
>    as="document-node(element(invoice))"/>
> 
> This is saying that you have written your stylesheet on the assumption
> that the input document is going to be an invoice, and that the system
> can make use of this information, and that the system will give you an
> explicit error message if you feed something other than an invoice as
> input to this stylesheet.


<myPlainEnglishView>
  This is a usecase for the 'nested' (my term) list Jeni gave?
   Its for Saxon's benefit (and as Mike and Jeni both said, good engineering
   practice), saying that the root element of the document has gi 'invoice'.

   Is that right?

? Jeni listed document, but not document-node() ? Is that an extra?



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