<xsl:template match="product">
   <tr>
   <td><xsl:value-of select="category"/></td>
   <td><xsl:value-of select="item"/></td>
   <td><xsl:value-of select="price"/></td>
   </tr>
</xsl:template>

http://www.dur.ac.uk/barry.cornelius/papers/xml.processing.using.php/code/consumables.xsl.