<plugin name="CORRECT.CONREF.LINKS" handler="BlobSetXmlNode" ishcondition="CurrentAction in ('CheckOut') and (EDT='EDTXML')">
          <description>Corrects conref attributes</description>
          <initialize>
            <parameters>
              <parameter name="OnNodeXPath">(//*/@conref[contains(., '#') and not(contains(., '/'))])</parameter>
              <parameter name="NodeType">attribute</parameter>
              <parameter name="NodeName">conref</parameter>
              <parameter name="OverwriteExisting">No</parameter>
              <parameter name="Value">
               ???
              </parameter>
            </parameters>
          </initialize>
        </plugin>

<xsl:stylesheet version="1.0"
                xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <xsl:output method="xml" indent="yes"/>

    <!-- Identity template that copies everything as is -->
    <xsl:template match="@*|node()">
        <xsl:copy>
            <xsl:apply-templates select="@*|node()"/>
        </xsl:copy>
    </xsl:template>

    <!-- Template matching elements with a 'conref' attribute which does not contain '/' -->
    <xsl:template match="*[@conref and not(contains(@conref, '/'))]">
        <xsl:copy>
            <!-- Apply templates to all attributes other than 'conref' -->
            <xsl:apply-templates select="@*[local-name()!='conref']"/>

            <!-- Special treatment for the 'conref' attribute -->
            <xsl:attribute name="conref">
                <xsl:variable name="originalConref" select="@conref"/>
                <!-- Perform replacement here -->
                <xsl:choose>
                    <!-- Test if the 'conref' already follows the pattern (use XSLT 2.0 regex if available) -->
                    <xsl:when test="matches($originalConref, '^[A-Z0-9\-]+\#[A-Z0-9\-]+\/.*$')">
                        <xsl:value-of select="$originalConref"/>
                    </xsl:when>
                    <!-- If not, apply custom logic to adjust the value -->
                    <xsl:otherwise>
                        <xsl:value-of select="concat(substring-before($originalConref, '#'), '#', substring-before($originalConref, '#'), '/')"/>
                        <xsl:value-of select="substring-after($originalConref, '#')"/>
                    </xsl:otherwise>
                </xsl:choose>
            </xsl:attribute>
            
            <!-- Apply templates to all children nodes -->
            <xsl:apply-templates select="node()"/>
        </xsl:copy>
    </xsl:template>
</xsl:stylesheet>