--- a/plcopen/instance_tagname.xslt	Thu Sep 19 15:32:36 2019 +0200
+++ b/plcopen/instance_tagname.xslt	Wed Sep 25 08:53:27 2019 +0200
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<xsl:stylesheet xmlns:exsl="http://exslt.org/common" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:ppx="http://www.plcopen.org/xml/tc6_0201" xmlns:ns="beremiz" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" extension-element-prefixes="ns" version="1.0" exclude-result-prefixes="ns">
+<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:output method="xml"/>
   <xsl:param name="instance_path"/>
   <xsl:variable name="project" select="ns:GetProject()"/>