> Michael Kay wrote:
> 
> > <xsl:function name="f:expand" as="element()">
> >   <xsl:param name="item" as="element(item)"/>
> >   <xsl:param name="child" as="element()?"/>
> >   <xsl:choose>
> >     <xsl:when test="exists($child)">
> >       <xsl:sequence select="$child"/>
> >     </xsl:when>
> >     <xsl:otherwise>
> >       <emptyCell/>
> >     </xsl:otherwise>
> >   </xsl:choose>
> > </xsl:function>
> 
>   Just out of interest, why do you pass the $item param here?

Because I changed the design half way through.

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