RE: [xsl] Can't pass parameters across differing contexts?

Subject: RE: [xsl] Can't pass parameters across differing contexts?
From: "Hunsberger, Peter" <Peter.Hunsberger@xxxxxxxxxx>
Date: Fri, 26 Oct 2001 08:54:55 -0500
Ahh, that almost makes sense.  The only reason I'm not completely convinced
is since the root node in the referenced document is in fact the one named
"options" in the original example?  However, if defining a root rule that
passes on the parameter doesn't work you can be sure I'll post here!

-----Original Message-----
From: Joerg Pietschmann [mailto:joerg.pietschmann@xxxxxx]
Sent: Friday, October 26, 2001 2:46 AM
To: XSL List
Subject: Re: [xsl] Can't pass parameters across differing contexts?

"Hunsberger, Peter" <Peter.Hunsberger@xxxxxxxxxx> wrote: 
> I've got an XSLT template producing HTML using a series of templates that
> look like the following:
> The hard coded display of the parameter value in
> the "options" template shows no value being passed to the template

That's because it got lost. It's a common trap related to
built-in templates and mentioned in the FAQ. More details:

> <xsl:template match="list/*">
>   <xsl:apply-templates select="document(...)" mode="list">
>      <xsl:with-param name="sel" select="'X'"/>
>   </xsl:apply-templates>

This statement tells the processor to apply templates to 
the root node of the document loaded. Since you probably
dont have a template defined for root nodes with mode "list"
it applies the built-in template, which discards the parameter
without notice.

> <xsl:template match="options" mode="list">
>     <xsl:param name="sel"/>

Since this template is probably invoked from a built-in template,
the parameter is unassigned.

Try either to select the nodes you are interested in directly
in the apply-templates:

  <xsl:apply-templates select="document(...)//options" mode="list">
     <xsl:with-param name="sel" select="'X'"/>

or override some default templates to pass the parameter (code
See the spec at


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