se/SE/schema/SystemObjects/xml.variable.xsl

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:system_cache__appinfo="http://biuro.biall-net.pl/xmlschema_procesy5/default_db_xml_cache/appinfo.xsd"
    exclude-result-prefixes="xs"
    version="2.0">
    
    <xsl:variable name="system_cache__appinfo:xml.xsd" select="doc('xml.xsd')"/>
</xsl:stylesheet>