--- a/plcopen/pou_variables.xslt	Fri May 12 18:09:55 2023 +0200
+++ b/plcopen/pou_variables.xslt	Sat May 13 12:45:03 2023 +0200
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<xsl:stylesheet xmlns:ns="beremiz" xmlns:regexp="http://exslt.org/regular-expressions" xmlns:str="http://exslt.org/strings" xmlns:ppx="http://www.plcopen.org/xml/tc6_0201" xmlns:exsl="http://exslt.org/common" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xhtml="http://www.w3.org/1999/xhtml" version="1.0" exclude-result-prefixes="ns" extension-element-prefixes="ns">
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:exsl="http://exslt.org/common" xmlns:regexp="http://exslt.org/regular-expressions" xmlns:str="http://exslt.org/strings" xmlns:func="http://exslt.org/functions" xmlns:ppx="http://www.plcopen.org/xml/tc6_0201" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:ns="beremiz" version="1.0" extension-element-prefixes="ns" exclude-result-prefixes="ns">
   <xsl:output method="xml"/>
   <xsl:template match="text()"/>
   <xsl:template mode="var_class" match="text()"/>