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Re: [xsl] [XSLT 3.0] A more efficient way to xsl:evaluate a bunch of XPath expressions against an XML document?

Subject: Re: [xsl] [XSLT 3.0] A more efficient way to xsl:evaluate a bunch of XPath expressions against an XML document?
From: Michael Kay <mike@xxxxxxxxxxxx>
Date: Mon, 12 Nov 2012 10:29:47 +0000
Saxon 9.4 isn't quite up-to-date with the latest spec changes here. It effectively assumes context-item=".".

Michael Kay
Saxonica

On 12/11/2012 10:15, Costello, Roger L. wrote:
Hello Phil,

I haven't done this myself, but from my reading
of the spec[1], you should use the context-item
attribute of xsl:evaluate to set the evaluation
context instead of relying on the surrounding
xsl:for-each instruction - as follows:

    <xsl:template match="Document">
        <xsl:variable name="here" select="." />
        <xsl:for-each select="$xpaths//xpath">
                <xsl:evaluate xpath="." context-item="$here" as="xs:boolean" />
        </xsl:for-each>
    </xsl:template>
Yes, I thought that as well. But when I add the context-item attribute I get this error message from SAXON:

Attribute @context-item is not allowed on element <xsl:evaluate>

/Roger

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