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Re: Variables
- To: xsl-list at lists dot mulberrytech dot com
- Subject: Re: [xsl] Variables
- From: Dan Diebolt <dandiebolt at yahoo dot com>
- Date: Thu, 17 May 2001 07:26:32 -0700 (PDT)
- Reply-To: xsl-list at lists dot mulberrytech dot com
> <xsl:variable name="n">2</xsl:variable>
> ...
> <xsl:value-of select="item[$n]"/>
> (See chapter 11.2)
>
> What is the reason for outputing the value of only the first item element ?
<xsl:value-of select="?"/> always returns the first value when the select
returns a node-set so this behavior is not exceptional. Nor is it difficult
to understand that the particular form of <xsl:variable ...> returns
a result tree fragment. But what I find difficult myself is why the
result tree fragment can be placed in the predicate since chapter 11.1
specifically prohibits this:
"In particular, it is not permitted to use the
/, // and [] operators on result tree fragments"
My guess is that the predicate [$n] is being converted to a boolean
value of true and the predicate therefore selects all items. The
<xsl:value-of> is merely returning the first item in the node set.
Thats my theory.
Regards,
Dan
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