Removing empty tags from XML via XSLT

by

This transformation doesn’t need any conditional XSLT instructions at all and uses no explicit priorities:

<xsl:stylesheet version="1.0"
 xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 <xsl:output omit-xml-declaration="yes" indent="yes"/>
 <xsl:strip-space elements="*"/>

 <xsl:template match="node()|@*">
     <xsl:copy>
       <xsl:apply-templates select="node()|@*"/>
     </xsl:copy>
 </xsl:template>

 <xsl:template match=
    "*[not(@*|*|comment()|processing-instruction()) 
     and normalize-space()=''
      ]"/>
</xsl:stylesheet>

When applied on the provided XML document:

<Person>
    <FirstName>Ahmed</FirstName>
    <MiddleName/>
    <LastName>Aboulnaga</LastName>
    <CompanyInfo>
        <CompanyName>IPN Web</CompanyName>
        <Title/>
        <Role></Role>
        <Department>
        </Department>
    </CompanyInfo>
</Person>

it produces the wanted, correct result:

<Person>
   <FirstName>Ahmed</FirstName>
   <LastName>Aboulnaga</LastName>
   <CompanyInfo>
      <CompanyName>IPN Web</CompanyName>
   </CompanyInfo>
</Person>

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