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Hi In XSLT2, how should I test for null, or empty parameters? For example, if I have <xsl:param name="routeValues" as="node()?" /> how should I test whether a value has been passed, or whether it's empty? Thanks This is a confidential email. Tesco may monitor and record all emails. The views expressed in this email are those of the sender and not Tesco. Tesco Stores Limited Company Number: 519500 Registered in England Registered Office: Tesco House, Delamare Road, Cheshunt, Hertfordshire EN8 9SL VAT Registration Number: GB 220 4302 31
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