grokPO.xsl -- interpret purchase order format as RDF

This is a GRDDL transformation that transforms purchase orders per a po-ex.xsd schema (adapted from po1.xsd from the XML Schema primer) into RDF.

Dan Connolly, Dec 2004
$Id: grokPO.xsl,v 1.1 2004/12/07 23:33:27 connolly Exp $