RE: [xsl] dynamic variable name/implementation question

Subject: RE: [xsl] dynamic variable name/implementation question
From: Ed S <lists@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 26 Aug 2005 07:11:11 -0700
> The usual solution is that instead of passing your stylesheet three
> parameters x, y, and z, you should pass it an XML document 
> <param>
>   <x>1</x>
>   <y>2</y>
>   <z>3</z>
> </param>
> and then you can navigate this document at will using XPath.

I'm having a bit of trouble doing this.
I'm running xalan as follows:
>java org.apache.xalan.xslt.Process -IN ext.xml -OUT ext_out.xml -XSL ext.xsl -PARAM parameters "<param-list><a>hello</a><b>goodbye</b></param-list>"

however, when I execute:
<xsl:value-of select="exsl:node-set($parameters)"/>
I would expect to get the values of all of the text nodes within, ie:

however, $parameters is resolved as a string:

Maybe I don't understand the purpose of node-set()...

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