(Q8) Generate an element with a computed name, containing nested elements named <description> and <price>.

<$tagname>
   <description> $d </description> ,
   <price> $p </price>
</$tagname>

XSLT equivalent to (Q8)

<xsl:element name="{$tagname}">
  <description><xsl:copy-of select="$d"/></description>
  <price><xsl:copy-of select="$p"/></price>
</xsl:element>