> I did this:
>
> <xsl:variable name="title" select="." />
>
> when I should have done this:
>
> <xsl:variable name="title" select="copy-of(.)" />
>
> Upon doing so, my XSLT program works great.
>
Indeed. The rule is, binding a variable to a streamed node is not allowed. Of
my "Ten rules of streaming", it is rule number 5, "You cannot store a
reference to a node", see the 2014 proceedings of XML Prague
(http://www.xmlprague.cz/archive/), page 50 ;).
Which reminds me, I promised to create an update of the rules in the paper
when the rules change, I should get started with that.
Cheers,
Abel Braaksma
Exselt, a streaming XSLT 3.0 processor
http://exselt.net
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