Chapter 9. Querying XML

<xsl:template name="child-query"> 
<xsl:with-param name="parent" select="`Daddy' "/>
<xsl:value-of select="concat(`But, why',$parent,'?')"/>
<xsl:apply-templates select="reasonable_response"/>
<xsl:call-template name="child-query"> 
<xsl:with-param name="parent" select="$parent"/>
</xsl:call-template> </xsl:template>

<!-- Parents not recognizing tail recursion may risk blowing their stack. -->