Thanks, Michael.
I had a feeling it was something obvious that I wasn't getting.

Thanks,
Don

Write an identity template

http://www.dpawson.co.uk/xsl/sect2/identity.html

, and supplement with

<xsl:template match="Slide">
<Slide>
<xsl:copy-of select="Title"/> <xsl:copy-of select="Filename"/>
</Slide>
</xsl:template>

Michael Kay
http://www.saxonica.com/