RE: [xsl] Making groups of N elements --> Photo index

Subject: RE: [xsl] Making groups of N elements --> Photo index
From: "Michael Kay" <michael.h.kay@xxxxxxxxxxxx>
Date: Wed, 12 Jun 2002 23:11:30 +0100
> Thank you for your advice about the result tree fragments. I 
> found that 
> feature very useful.
> What is xx:node-set() ? Is it something portable?

It's an extension function that's available in nearly every XSLT
processor, though the namespace varies which makes it non-portable.
Several processors support the EXSLT namespace (see which
improves the situation.
> I did it _without_ that function, as follows (comments welcome).
> <xsl:variable name="allphotos"> <xsl:apply-templates 
> select="/fotos/foto" mode="identity"> <xsl:sort 
> order="ascending" select="@id" data-type="number" /> 
> </xsl:apply-templates> <foto id="100000000000" dummy="logo" 
> src="logo.gif" href="http://homepage"; /> <foto 
> id="100000000001" dummy="yes" /> <foto id="100000000002" 
> dummy="yes" /> <foto id="100000000003" dummy="yes" /> <foto 
> id="100000000004" dummy="yes" /> <foto id="100000000005" 
> dummy="yes" /> <foto id="100000000006" dummy="yes" /> <foto 
> id="100000000007" dummy="yes" /> </xsl:variable>
>   <xsl:for-each select="$allphotos/foto[(position() mod 8) = 
> 1 and not(@dummy='yes')]">

Then you're using a processor that implements the "implicit conversion
of result tree fragments to node-sets" offered by the XSLT 1.1 and XSLT
2.0 working drafts: this code isn't legal in XSLT 1.0. Which processor,
might I ask?

(Saxon allows this, provided your stylesheet specifies version="1.1" or
later. But some earlier versions of Saxon allowed it regardless).

Michael Kay
Software AG
home: Michael.H.Kay@xxxxxxxxxxxx
work: Michael.Kay@xxxxxxxxxxxxxx 

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