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He wrote his final template:

<xsl:template match="@*|node()"> <xsl:copy> <xsl:apply-templates select="@*|node()"/> </xsl:copy> </xsl:template> It looked like magic. A recursive mirror. Leo stared at it for ten minutes, tracing the logic. Then he had his Eureka moment. This is the power of XSLT. You don't iterate with for-each (Alistair called that "imperative blasphemy"). You let the templates find the nodes and decide their fate. udemy xslt

His job was to transform this beastly <ShipmentOrder> XML into a flat, friendly <OrderRecord> CSV for an ancient warehouse database. His tool? XSLT. He had a weekend to learn it. Then he had his Eureka moment

He wrote a rule:

The client’s XML had a default namespace: xmlns="urn:healthcare-logistics-45b" . Leo had been ignoring it. Suddenly, his select="ShipmentOrder" returned nothing. Zero nodes. His perfect XPath was blind. You let the templates find the nodes and decide their fate