diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/instances_path.xslt
--- a/plcopen/instances_path.xslt	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/instances_path.xslt	Fri Feb 16 01:48:48 2018 +0100
@@ -1,12 +1,8 @@
 <?xml version="1.0"?>
-<xsl:stylesheet xmlns:func="http://exslt.org/functions" xmlns:dyn="http://exslt.org/dynamic" xmlns:str="http://exslt.org/strings" xmlns:math="http://exslt.org/math" xmlns:exsl="http://exslt.org/common" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:yml="http://fdik.org/yml" xmlns:set="http://exslt.org/sets" xmlns:ppx="http://www.plcopen.org/xml/tc6_0201" xmlns:ns="instances_ns" xmlns:regexp="http://exslt.org/regular-expressions" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" extension-element-prefixes="ns" version="1.0" exclude-result-prefixes="ns">
+<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="instances_ns" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" extension-element-prefixes="ns" version="1.0" exclude-result-prefixes="ns">
   <xsl:output method="xml"/>
-  <xsl:variable name="space" select="'                                                                                                                                                                                                        '"/>
-  <xsl:param name="autoindent" select="4"/>
   <xsl:param name="instance_type"/>
-  <xsl:template match="text()">
-    <xsl:param name="_indent" select="0"/>
-  </xsl:template>
+  <xsl:template match="text()"/>
   <xsl:variable name="project">
     <xsl:copy-of select="document('project')/project/*"/>
   </xsl:variable>
@@ -17,24 +13,18 @@
     <xsl:copy-of select="document('extensions')/extensions/*"/>
   </xsl:variable>
   <xsl:template match="ppx:project">
-    <xsl:param name="_indent" select="0"/>
     <instances>
-      <xsl:apply-templates select="ppx:instances/ppx:configurations/ppx:configuration">
-        <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-      </xsl:apply-templates>
+      <xsl:apply-templates select="ppx:instances/ppx:configurations/ppx:configuration"/>
     </instances>
   </xsl:template>
   <xsl:template match="ppx:configuration">
-    <xsl:param name="_indent" select="0"/>
     <xsl:apply-templates select="ppx:globalVars/ppx:variable[ppx:type/ppx:derived] | ppx:resource">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="parent_path">
         <xsl:value-of select="@name"/>
       </xsl:with-param>
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:resource">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="parent_path"/>
     <xsl:variable name="resource_path">
       <xsl:value-of select="$parent_path"/>
@@ -42,14 +32,12 @@
       <xsl:value-of select="@name"/>
     </xsl:variable>
     <xsl:apply-templates select="ppx:globalVars/ppx:variable[ppx:type/ppx:derived] | ppx:pouInstance | ppx:task/ppx:pouInstance">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="parent_path">
         <xsl:value-of select="$resource_path"/>
       </xsl:with-param>
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:pouInstance">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="parent_path"/>
     <xsl:variable name="pou_instance_path">
       <xsl:value-of select="$parent_path"/>
@@ -65,7 +53,6 @@
           <xsl:value-of select="@typeName"/>
         </xsl:variable>
         <xsl:apply-templates select="exsl:node-set($project)/ppx:project/ppx:types/ppx:pous/ppx:pou[@name=$type_name] |&#10;                         exsl:node-set($project)/ppx:project/ppx:types/ppx:dataTypes/ppx:dataType[@name=$type_name] |&#10;                         exsl:node-set($stdlib)/ppx:project/ppx:types/ppx:pous/ppx:pou[@name=$type_name] |&#10;                         exsl:node-set($stdlib)/ppx:project/ppx:types/ppx:dataTypes/ppx:dataType[@name=$type_name] |&#10;                         exsl:node-set($extensions)/ppx:project/ppx:types/ppx:pous/ppx:pou[@name=$type_name] |&#10;                         exsl:node-set($extensions)/ppx:project/ppx:types/ppx:dataTypes/ppx:dataType[@name=$type_name]">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
           <xsl:with-param name="instance_path">
             <xsl:value-of select="$pou_instance_path"/>
           </xsl:with-param>
@@ -74,27 +61,22 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template match="ppx:pou">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="instance_path"/>
     <xsl:apply-templates select="ppx:interface/*/ppx:variable[ppx:type/ppx:derived]">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="parent_path">
         <xsl:value-of select="$instance_path"/>
       </xsl:with-param>
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:dataType">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="instance_path"/>
     <xsl:apply-templates select="ppx:baseType/*[self::ppx:derived or self::ppx:struct or self::ppx:array]">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="parent_path">
         <xsl:value-of select="$instance_path"/>
       </xsl:with-param>
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:variable">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="parent_path"/>
     <xsl:variable name="variable_path">
       <xsl:value-of select="$parent_path"/>
@@ -102,14 +84,12 @@
       <xsl:value-of select="@name"/>
     </xsl:variable>
     <xsl:apply-templates select="ppx:type/ppx:derived">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="variable_path">
         <xsl:value-of select="$variable_path"/>
       </xsl:with-param>
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:derived">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="variable_path"/>
     <xsl:choose>
       <xsl:when test="@name=$instance_type">
@@ -120,7 +100,6 @@
           <xsl:value-of select="@name"/>
         </xsl:variable>
         <xsl:apply-templates select="exsl:node-set($project)/ppx:project/ppx:types/ppx:pous/ppx:pou[@name=$type_name] |&#10;                         exsl:node-set($project)/ppx:project/ppx:types/ppx:dataTypes/ppx:dataType[@name=$type_name] |&#10;                         exsl:node-set($stdlib)/ppx:project/ppx:types/ppx:pous/ppx:pou[@name=$type_name] |&#10;                         exsl:node-set($stdlib)/ppx:project/ppx:types/ppx:dataTypes/ppx:dataType[@name=$type_name] |&#10;                         exsl:node-set($extensions)/ppx:project/ppx:types/ppx:pous/ppx:pou[@name=$type_name] |&#10;                         exsl:node-set($extensions)/ppx:project/ppx:types/ppx:dataTypes/ppx:dataType[@name=$type_name]">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
           <xsl:with-param name="instance_path">
             <xsl:value-of select="$variable_path"/>
           </xsl:with-param>
@@ -129,7 +108,6 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template match="ppx:struct">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="variable_path"/>
     <xsl:for-each select="ppx:variable[ppx:type/ppx:derived or ppx:type/ppx:struct or ppx:type/ppx:array]">
       <xsl:variable name="element_path">
@@ -139,17 +117,14 @@
       </xsl:variable>
     </xsl:for-each>
     <xsl:apply-templates select="ppx:type/*[self::ppx:derived or self::ppx:struct or self::ppx:array]">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="variable_path">
         <xsl:value-of select="$element_path"/>
       </xsl:with-param>
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:array">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="variable_path"/>
     <xsl:apply-templates select="ppx:baseType/*[self::ppx:derived or self::ppx:struct or self::ppx:array]">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="variable_path">
         <xsl:value-of select="$variable_path"/>
       </xsl:with-param>