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If one element has at least one child element

File: Data.xml <?xml version="1.0" standalone="yes"?> <poem author="jm" year="2008">   <verse>line 1</verse>   <verse>line 2</verse>   <verse>line 3</verse>   <verse>line 4</verse> </poem> File: Transform.xslt <?xml version="1.0" standalone="yes"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"   version="1.0">   <xsl:output method="text" />   <xsl:template match="poem">     <xsl:if test="shipDate">       The poem has at least one shipDate child element.     </xsl:if>   </xsl:template> </xsl:stylesheet>