RE: [xsl] Default values of template parameters

Subject: RE: [xsl] Default values of template parameters
From: "Julian Cox" <julian.cox@xxxxxxxxxxxx>
Date: Tue, 1 Aug 2006 15:21:16 +0100
Thanks David & Michael

Had a feeling I was going to be out of luck with this one.  I think I'll
put my default values in my mapping file, keeps the users out of the


Julian Cox
BSI Development Engineer
Ultra Electronics Airport Systems

> -----Original Message-----
> From: Michael Kay [mailto:mike@xxxxxxxxxxxx]
> Sent: 01 August 2006 12:58
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE: [xsl] Default values of template parameters
> > Is there a way to pass the parameter if the tested attribute
> > exists and not pass anything, not even an empty string, if it
> > does not?
> No: the only way to get the default value is to omit the
> entirely.
> It seems you need a different mechanism here, instead of
> <xsl:param name="p" select="default"/>
> you want
> <xsl:param name="p" select="()"/>
> <xsl:variable name="p1" select="if ($p) then $p else default"/>
> That's 2.0 syntax of course but the principle is the same.
> Michael Kay

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