# HG changeset patch
# User Edouard Tisserant <edouard.tisserant@gmail.com>
# Date 1518742128 -3600
# Node ID b85b13b1c2ec3019c1b61e116220921b26e329ba
# Parent  f2b0d849ea77debbff2764b9d70812d22f0c97b9
YSLT auto indent trick is useless here, added yslt_noindent.yml2, regenerated XSLT files

diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/Makefile
--- a/plcopen/Makefile	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/Makefile	Fri Feb 16 01:48:48 2018 +0100
@@ -6,10 +6,10 @@
 
 all:$(xsltfiles)
 
-%.xslt: %.ysl2
+%.xslt: %.ysl2 yslt_noindent.yml2
 	$(yml)/yml2c -I $(yml) $< -o $@.tmp
 	xmlstarlet fo $@.tmp > $@
 	rm $@.tmp
 	
 clean:
-	rm -f $(xsltfiles)
\ No newline at end of file
+	rm -f $(xsltfiles)
diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/instance_tagname.xslt
--- a/plcopen/instance_tagname.xslt	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/instance_tagname.xslt	Fri Feb 16 01:48:48 2018 +0100
@@ -1,8 +1,6 @@
 <?xml version="1.0"?>
-<xsl:stylesheet xmlns:func="http://exslt.org/functions" xmlns:dyn="http://exslt.org/dynamic" xmlns:str="http://exslt.org/strings" xmlns:math="http://exslt.org/math" xmlns:exsl="http://exslt.org/common" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:yml="http://fdik.org/yml" xmlns:set="http://exslt.org/sets" xmlns:ppx="http://www.plcopen.org/xml/tc6_0201" xmlns:ns="instance_tagname_ns" xmlns:regexp="http://exslt.org/regular-expressions" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" extension-element-prefixes="ns" version="1.0" exclude-result-prefixes="ns">
+<xsl:stylesheet xmlns:exsl="http://exslt.org/common" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:ppx="http://www.plcopen.org/xml/tc6_0201" xmlns:ns="instance_tagname_ns" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" extension-element-prefixes="ns" version="1.0" exclude-result-prefixes="ns">
   <xsl:output method="xml"/>
-  <xsl:variable name="space" select="'                                                                                                                                                                                                        '"/>
-  <xsl:param name="autoindent" select="4"/>
   <xsl:param name="instance_path"/>
   <xsl:variable name="project">
     <xsl:copy-of select="document('project')/project/*"/>
@@ -14,7 +12,6 @@
     <xsl:copy-of select="document('extensions')/extensions/*"/>
   </xsl:variable>
   <xsl:template name="element_name">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="path"/>
     <xsl:choose>
       <xsl:when test="contains($path,'.')">
@@ -26,7 +23,6 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template name="next_path">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="path"/>
     <xsl:choose>
       <xsl:when test="contains($path,'.')">
@@ -35,14 +31,12 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template match="ppx:project">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="config_name">
       <xsl:call-template name="element_name">
         <xsl:with-param name="path" select="$instance_path"/>
       </xsl:call-template>
     </xsl:variable>
     <xsl:apply-templates select="ppx:instances/ppx:configurations/ppx:configuration[@name=$config_name]">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="element_path">
         <xsl:call-template name="next_path">
           <xsl:with-param name="path" select="$instance_path"/>
@@ -51,7 +45,6 @@
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:configuration">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="element_path"/>
     <xsl:choose>
       <xsl:when test="$element_path!=''">
@@ -61,7 +54,6 @@
           </xsl:call-template>
         </xsl:variable>
         <xsl:apply-templates select="ppx:resource[@name=$child_name] | ppx:globalVars/ppx:variable[@name=$child_name]/ppx:type/*[self::ppx:derived or self::ppx:struct or self::ppx:array]">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
           <xsl:with-param name="element_path">
             <xsl:call-template name="next_path">
               <xsl:with-param name="path" select="$element_path"/>
@@ -75,7 +67,6 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template match="ppx:resource">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="element_path"/>
     <xsl:choose>
       <xsl:when test="$element_path!=''">
@@ -87,7 +78,6 @@
           </xsl:call-template>
         </xsl:variable>
         <xsl:apply-templates select="ppx:pouInstance[@name=$child_name] | ppx:task/ppx:pouInstance[@name=$child_name] | ppx:globalVars/ppx:variable[@name=$child_name]/ppx:type/*[self::ppx:derived or self::ppx:struct or self::ppx:array]">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
           <xsl:with-param name="element_path">
             <xsl:call-template name="next_path">
               <xsl:with-param name="path" select="$element_path"/>
@@ -101,18 +91,15 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template match="ppx:pouInstance">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="element_path"/>
     <xsl:variable name="type_name">
       <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) * $autoindent"/>
       <xsl:with-param name="element_path" select="$element_path"/>
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:pou">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="element_path"/>
     <xsl:choose>
       <xsl:when test="$element_path!=''">
@@ -122,16 +109,13 @@
           </xsl:call-template>
         </xsl:variable>
         <xsl:apply-templates select="ppx:interface/*/ppx:variable[@name=$child_name]/ppx:type/*[self::ppx:derived or self::ppx:struct or self::ppx:array]">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
           <xsl:with-param name="element_path">
             <xsl:call-template name="next_path">
               <xsl:with-param name="path" select="$element_path"/>
             </xsl:call-template>
           </xsl:with-param>
         </xsl:apply-templates>
-        <xsl:apply-templates select="ppx:actions/ppx:action[@name=$child_name] | ppx:transitions/ppx:transition[@name=$child_name]">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates select="ppx:actions/ppx:action[@name=$child_name] | ppx:transitions/ppx:transition[@name=$child_name]"/>
       </xsl:when>
       <xsl:otherwise>
         <xsl:variable name="name">
@@ -142,42 +126,33 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template match="ppx:action">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="ns:ActionTagName(ancestor::ppx:pou/@name, @name)"/>
   </xsl:template>
   <xsl:template match="ppx:transition">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="ns:TransitionTagName(ancestor::ppx:pou/@name, @name)"/>
   </xsl:template>
   <xsl:template match="ppx:dataType">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="element_path"/>
     <xsl:apply-templates select="ppx:baseType/*[self::ppx:derived or self::ppx:struct or self::ppx:array]">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="element_path" select="$element_path"/>
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:derived">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="element_path"/>
     <xsl:variable name="type_name">
       <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) * $autoindent"/>
       <xsl:with-param name="element_path" select="$element_path"/>
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:array">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="element_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) * $autoindent"/>
       <xsl:with-param name="element_path" select="$element_path"/>
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:struct">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="element_path"/>
     <xsl:variable name="child_name">
       <xsl:call-template name="element_name">
@@ -185,7 +160,6 @@
       </xsl:call-template>
     </xsl:variable>
     <xsl:apply-templates select="ppx:variable[@name=$child_name]/ppx:type/*[self::ppx:derived or self::ppx:struct or self::ppx:array]">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="element_path">
         <xsl:call-template name="next_path">
           <xsl:with-param name="path" select="$element_path"/>
diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/instance_tagname.ysl2
--- a/plcopen/instance_tagname.ysl2	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/instance_tagname.ysl2	Fri Feb 16 01:48:48 2018 +0100
@@ -1,5 +1,5 @@
-include yslt.yml2
-estylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
+include yslt_noindent.yml2
+istylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
             xmlns:xhtml="http://www.w3.org/1999/xhtml"
             xmlns:ns="instance_tagname_ns" 
             extension-element-prefixes="ns" 
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>
diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/instances_path.ysl2
--- a/plcopen/instances_path.ysl2	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/instances_path.ysl2	Fri Feb 16 01:48:48 2018 +0100
@@ -1,5 +1,5 @@
-include yslt.yml2
-estylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
+include yslt_noindent.yml2
+istylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
             xmlns:xhtml="http://www.w3.org/1999/xhtml"
             xmlns:ns="instances_ns" 
             extension-element-prefixes="ns" 
diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/pou_block_instances.xslt
--- a/plcopen/pou_block_instances.xslt	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/pou_block_instances.xslt	Fri Feb 16 01:48:48 2018 +0100
@@ -1,24 +1,15 @@
 <?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="pou_block_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="pou_block_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:template match="text()">
-    <xsl:param name="_indent" select="0"/>
-  </xsl:template>
+  <xsl:template match="text()"/>
   <xsl:template match="ppx:pou[ppx:body]|ppx:transition[ppx:body]|ppx:action[ppx:body]">
-    <xsl:param name="_indent" select="0"/>
-    <xsl:apply-templates select="ppx:body/*[self::ppx:FBD or self::ppx:LD or self::ppx:SFC]/*">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:body/*[self::ppx:FBD or self::ppx:LD or self::ppx:SFC]/*"/>
   </xsl:template>
   <xsl:template name="add_instance">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="type"/>
     <xsl:value-of select="ns:AddBlockInstance($type, @localId, ppx:position/@x, ppx:position/@y, @width, @height)"/>
   </xsl:template>
   <xsl:template name="execution_order">
-    <xsl:param name="_indent" select="0"/>
     <xsl:choose>
       <xsl:when test="@executionOrderId">
         <xsl:value-of select="@executionOrderId"/>
@@ -29,7 +20,6 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template name="ConnectionInfos">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="type"/>
     <xsl:param name="negated"/>
     <xsl:param name="edge"/>
@@ -37,18 +27,13 @@
     <xsl:value-of select="ns:AddInstanceConnection($type, $formalParameter, $negated, $edge, ppx:relPosition/@x, ppx:relPosition/@y)"/>
   </xsl:template>
   <xsl:template match="ppx:position">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="ns:AddLinkPoint(@x, @y)"/>
   </xsl:template>
   <xsl:template match="ppx:connection">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="ns:AddConnectionLink(@refLocalId, @formalParameter)"/>
-    <xsl:apply-templates select="ppx:position">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:position"/>
   </xsl:template>
   <xsl:template match="ppx:connectionPointIn">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="negated"/>
     <xsl:param name="edge"/>
     <xsl:param name="formalParameter"/>
@@ -66,12 +51,9 @@
         <xsl:value-of select="$formalParameter"/>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates select="ppx:connection">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:connection"/>
   </xsl:template>
   <xsl:template match="ppx:connectionPointOut">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="negated"/>
     <xsl:param name="edge"/>
     <xsl:param name="formalParameter"/>
@@ -91,7 +73,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:connectionPointOutAction">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="ConnectionInfos">
       <xsl:with-param name="type">
         <xsl:text>output</xsl:text>
@@ -99,7 +80,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:comment">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="ns:SetSpecificValues(ppx:content/xhtml:p/text())"/>
     <xsl:call-template name="add_instance">
       <xsl:with-param name="type">
@@ -108,7 +88,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:block">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="execution_order">
       <xsl:call-template name="execution_order"/>
     </xsl:variable>
@@ -120,7 +99,6 @@
     </xsl:call-template>
     <xsl:for-each select="ppx:inputVariables/ppx:variable">
       <xsl:apply-templates select="ppx:connectionPointIn">
-        <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
         <xsl:with-param name="negated" select="@negated"/>
         <xsl:with-param name="edge" select="@edge"/>
         <xsl:with-param name="formalParameter" select="@formalParameter"/>
@@ -128,7 +106,6 @@
     </xsl:for-each>
     <xsl:for-each select="ppx:outputVariables/ppx:variable">
       <xsl:apply-templates select="ppx:connectionPointOut">
-        <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
         <xsl:with-param name="negated" select="@negated"/>
         <xsl:with-param name="edge" select="@edge"/>
         <xsl:with-param name="formalParameter" select="@formalParameter"/>
@@ -136,23 +113,18 @@
     </xsl:for-each>
   </xsl:template>
   <xsl:template match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:derived">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="@name"/>
   </xsl:template>
   <xsl:template match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:string">
-    <xsl:param name="_indent" select="0"/>
     <xsl:text>STRING</xsl:text>
   </xsl:template>
   <xsl:template match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:wstring">
-    <xsl:param name="_indent" select="0"/>
     <xsl:text>WSTRING</xsl:text>
   </xsl:template>
   <xsl:template match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/*">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="local-name()"/>
   </xsl:template>
   <xsl:template name="VariableBlockInfos">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="type"/>
     <xsl:variable name="expression">
       <xsl:value-of select="ppx:expression/text()"/>
@@ -163,14 +135,10 @@
           <xsl:text>BOOL</xsl:text>
         </xsl:when>
         <xsl:when test="ancestor::ppx:pou[@name=$expression]">
-          <xsl:apply-templates select="ancestor::ppx:pou/child::ppx:interface/ppx:returnType">
-            <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-          </xsl:apply-templates>
-        </xsl:when>
-        <xsl:otherwise>
-          <xsl:apply-templates select="ancestor::ppx:pou/child::ppx:interface/*/ppx:variable[@name=$expression]/ppx:type">
-            <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-          </xsl:apply-templates>
+          <xsl:apply-templates select="ancestor::ppx:pou/child::ppx:interface/ppx:returnType"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:apply-templates select="ancestor::ppx:pou/child::ppx:interface/*/ppx:variable[@name=$expression]/ppx:type"/>
         </xsl:otherwise>
       </xsl:choose>
     </xsl:variable>
@@ -184,51 +152,40 @@
       </xsl:with-param>
     </xsl:call-template>
     <xsl:apply-templates select="ppx:connectionPointIn">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="negated" select="@negatedIn"/>
       <xsl:with-param name="edge" select="@edgeIn"/>
     </xsl:apply-templates>
     <xsl:apply-templates select="ppx:connectionPointOut">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="negated" select="@negatedOut"/>
       <xsl:with-param name="edge" select="@edgeOut"/>
     </xsl:apply-templates>
   </xsl:template>
   <xsl:template match="ppx:inVariable">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="VariableBlockInfos">
       <xsl:with-param name="type" select="'input'"/>
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:outVariable">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="VariableBlockInfos">
       <xsl:with-param name="type" select="'output'"/>
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:inOutVariable">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="VariableBlockInfos">
       <xsl:with-param name="type" select="'inout'"/>
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:connector|ppx:continuation">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="ns:SetSpecificValues(@name)"/>
     <xsl:call-template name="add_instance">
       <xsl:with-param name="type">
         <xsl:value-of select="local-name()"/>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates select="ppx:connectionPointIn">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
-    <xsl:apply-templates select="ppx:connectionPointOut">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:connectionPointIn"/>
+    <xsl:apply-templates select="ppx:connectionPointOut"/>
   </xsl:template>
   <xsl:template match="ppx:leftPowerRail|ppx:rightPowerRail">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="type" select="local-name()"/>
     <xsl:variable name="connectors">
       <xsl:choose>
@@ -248,19 +205,14 @@
     </xsl:call-template>
     <xsl:choose>
       <xsl:when test="$type='leftPowerRail'">
-        <xsl:apply-templates select="ppx:connectionPointOut">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates select="ppx:connectionPointOut"/>
       </xsl:when>
       <xsl:otherwise>
-        <xsl:apply-templates select="ppx:connectionPointIn">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates select="ppx:connectionPointIn"/>
       </xsl:otherwise>
     </xsl:choose>
   </xsl:template>
   <xsl:template match="ppx:contact|ppx:coil">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="type" select="local-name()"/>
     <xsl:variable name="storage">
       <xsl:choose>
@@ -278,18 +230,12 @@
         <xsl:value-of select="$type"/>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates select="ppx:connectionPointIn">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
-    <xsl:apply-templates select="ppx:connectionPointOut">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:connectionPointIn"/>
+    <xsl:apply-templates select="ppx:connectionPointOut"/>
   </xsl:template>
   <xsl:template match="ppx:step">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="ns:SetSpecificValues(@name, @initialStep)"/>
     <xsl:apply-templates select="ppx:connectionPointOutAction">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="negated" select="@negated"/>
     </xsl:apply-templates>
     <xsl:call-template name="add_instance">
@@ -297,15 +243,10 @@
         <xsl:value-of select="local-name()"/>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates select="ppx:connectionPointIn">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
-    <xsl:apply-templates select="ppx:connectionPointOut">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:connectionPointIn"/>
+    <xsl:apply-templates select="ppx:connectionPointOut"/>
   </xsl:template>
   <xsl:template match="ppx:transition">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="priority">
       <xsl:choose>
         <xsl:when test="@priority">
@@ -341,7 +282,6 @@
     </xsl:variable>
     <xsl:value-of select="ns:SetSpecificValues($priority, $condition_type, $condition)"/>
     <xsl:apply-templates select="ppx:condition/ppx:connectionPointIn">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="negated" select="ppx:condition/@negated"/>
     </xsl:apply-templates>
     <xsl:call-template name="add_instance">
@@ -349,15 +289,10 @@
         <xsl:value-of select="local-name()"/>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates select="ppx:connectionPointIn">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
-    <xsl:apply-templates select="ppx:connectionPointOut">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:connectionPointIn"/>
+    <xsl:apply-templates select="ppx:connectionPointOut"/>
   </xsl:template>
   <xsl:template match="ppx:selectionDivergence|ppx:selectionConvergence|ppx:simultaneousDivergence|ppx:simultaneousConvergence">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="type">
       <xsl:value-of select="local-name()"/>
     </xsl:variable>
@@ -377,15 +312,10 @@
         <xsl:value-of select="$type"/>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates select="ppx:connectionPointIn">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
-    <xsl:apply-templates select="ppx:connectionPointOut">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:connectionPointIn"/>
+    <xsl:apply-templates select="ppx:connectionPointOut"/>
   </xsl:template>
   <xsl:template match="ppx:jumpStep">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="type">
       <xsl:text>jump</xsl:text>
     </xsl:variable>
@@ -395,12 +325,9 @@
         <xsl:value-of select="$type"/>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates select="ppx:connectionPointIn">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:connectionPointIn"/>
   </xsl:template>
   <xsl:template match="ppx:action">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="type">
       <xsl:choose>
         <xsl:when test="ppx:reference">
@@ -434,18 +361,14 @@
     <xsl:value-of select="ns:AddAction($qualifier, $type, $value, @duration, @indicator)"/>
   </xsl:template>
   <xsl:template match="ppx:actionBlock">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="ns:SetSpecificValues()"/>
-    <xsl:apply-templates select="ppx:action">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:action"/>
     <xsl:call-template name="add_instance">
       <xsl:with-param name="type">
         <xsl:value-of select="local-name()"/>
       </xsl:with-param>
     </xsl:call-template>
     <xsl:apply-templates select="ppx:connectionPointIn">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
       <xsl:with-param name="negated" select="@negated"/>
     </xsl:apply-templates>
   </xsl:template>
diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/pou_block_instances.ysl2
--- a/plcopen/pou_block_instances.ysl2	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/pou_block_instances.ysl2	Fri Feb 16 01:48:48 2018 +0100
@@ -1,5 +1,5 @@
-include yslt.yml2
-estylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
+include yslt_noindent.yml2
+istylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
             xmlns:xhtml="http://www.w3.org/1999/xhtml"
             xmlns:ns="pou_block_instances_ns" 
             extension-element-prefixes="ns" 
@@ -312,4 +312,4 @@
             with "negated", "@negated";
         }
     }
-}
\ No newline at end of file
+}
diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/pou_variables.xslt
--- a/plcopen/pou_variables.xslt	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/pou_variables.xslt	Fri Feb 16 01:48:48 2018 +0100
@@ -1,23 +1,11 @@
 <?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="pou_vars_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="pou_vars_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:template match="text()">
-    <xsl:param name="_indent" select="0"/>
-  </xsl:template>
-  <xsl:template mode="var_class" match="text()">
-    <xsl:param name="_indent" select="0"/>
-  </xsl:template>
-  <xsl:template mode="var_type" match="text()">
-    <xsl:param name="_indent" select="0"/>
-  </xsl:template>
-  <xsl:template mode="var_edit" match="text()">
-    <xsl:param name="_indent" select="0"/>
-  </xsl:template>
-  <xsl:template mode="var_debug" match="text()">
-    <xsl:param name="_indent" select="0"/>
-  </xsl:template>
+  <xsl:template match="text()"/>
+  <xsl:template mode="var_class" match="text()"/>
+  <xsl:template mode="var_type" match="text()"/>
+  <xsl:template mode="var_edit" match="text()"/>
+  <xsl:template mode="var_debug" match="text()"/>
   <xsl:variable name="project">
     <xsl:copy-of select="document('project')/project/*"/>
   </xsl:variable>
@@ -28,7 +16,6 @@
     <xsl:copy-of select="document('extensions')/extensions/*"/>
   </xsl:variable>
   <xsl:template name="add_root">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="class"/>
     <xsl:param name="type"/>
     <xsl:param name="edit">
@@ -40,7 +27,6 @@
     <xsl:value-of select="ns:SetRoot($class, $type, $edit, $debug)"/>
   </xsl:template>
   <xsl:template match="ppx:pou">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="add_root">
       <xsl:with-param name="class">
         <xsl:value-of select="@pouType"/>
@@ -49,37 +35,26 @@
         <xsl:value-of select="@name"/>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates select="ppx:interface">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
-    <xsl:apply-templates mode="variable_list" select="ppx:actions/ppx:action | ppx:transitions/ppx:transition">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:interface"/>
+    <xsl:apply-templates mode="variable_list" select="ppx:actions/ppx:action | ppx:transitions/ppx:transition"/>
   </xsl:template>
   <xsl:template match="ppx:action">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="add_root">
       <xsl:with-param name="class">
         <xsl:text>action</xsl:text>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates select="ancestor::ppx:pou/child::ppx:interface">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ancestor::ppx:pou/child::ppx:interface"/>
   </xsl:template>
   <xsl:template match="ppx:transition">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="add_root">
       <xsl:with-param name="class">
         <xsl:text>transition</xsl:text>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates select="ancestor::ppx:pou/child::ppx:interface">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ancestor::ppx:pou/child::ppx:interface"/>
   </xsl:template>
   <xsl:template match="ppx:configuration">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="add_root">
       <xsl:with-param name="class">
         <xsl:text>configuration</xsl:text>
@@ -88,15 +63,10 @@
         <xsl:text>false</xsl:text>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates mode="variable_list" select="ppx:resource">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
-    <xsl:apply-templates select="ppx:globalVars">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates mode="variable_list" select="ppx:resource"/>
+    <xsl:apply-templates select="ppx:globalVars"/>
   </xsl:template>
   <xsl:template match="ppx:resource">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="add_root">
       <xsl:with-param name="class">
         <xsl:text>resource</xsl:text>
@@ -105,45 +75,32 @@
         <xsl:text>false</xsl:text>
       </xsl:with-param>
     </xsl:call-template>
-    <xsl:apply-templates mode="variable_list" select="ppx:pouInstance | ppx:task/ppx:pouInstance">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
-    <xsl:apply-templates select="ppx:globalVars">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates mode="variable_list" select="ppx:pouInstance | ppx:task/ppx:pouInstance"/>
+    <xsl:apply-templates select="ppx:globalVars"/>
   </xsl:template>
   <xsl:template name="variables_infos">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="var_class"/>
     <xsl:for-each select="ppx:variable">
       <xsl:variable name="class">
         <xsl:apply-templates mode="var_class" select="ppx:type">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
           <xsl:with-param name="default_class">
             <xsl:value-of select="$var_class"/>
           </xsl:with-param>
         </xsl:apply-templates>
       </xsl:variable>
       <xsl:variable name="type">
-        <xsl:apply-templates mode="var_type" select="ppx:type">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates mode="var_type" select="ppx:type"/>
       </xsl:variable>
       <xsl:variable name="edit">
-        <xsl:apply-templates mode="var_edit" select="ppx:type">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates mode="var_edit" select="ppx:type"/>
       </xsl:variable>
       <xsl:variable name="debug">
-        <xsl:apply-templates mode="var_debug" select="ppx:type">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates mode="var_debug" select="ppx:type"/>
       </xsl:variable>
       <xsl:value-of select="ns:AddVariable(@name, $class, $type, $edit, $debug)"/>
     </xsl:for-each>
   </xsl:template>
   <xsl:template match="ppx:localVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>Local</xsl:text>
@@ -151,7 +108,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:globalVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>Global</xsl:text>
@@ -159,7 +115,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:externalVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>External</xsl:text>
@@ -167,7 +122,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:tempVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>Temp</xsl:text>
@@ -175,7 +129,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:inputVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>Input</xsl:text>
@@ -183,7 +136,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:outputVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>Output</xsl:text>
@@ -191,7 +143,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:inOutVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>InOut</xsl:text>
@@ -199,7 +150,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template name="add_variable">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="name"/>
     <xsl:param name="class"/>
     <xsl:param name="type"/>
@@ -212,7 +162,6 @@
     <xsl:value-of select="ns:AddVariable($name, $class, $type, $edit, $debug)"/>
   </xsl:template>
   <xsl:template mode="variable_list" match="ppx:action">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="add_variable">
       <xsl:with-param name="name">
         <xsl:value-of select="@name"/>
@@ -223,7 +172,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template mode="variable_list" match="ppx:transition">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="add_variable">
       <xsl:with-param name="name">
         <xsl:value-of select="@name"/>
@@ -234,7 +182,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template mode="variable_list" match="ppx:resource">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="add_variable">
       <xsl:with-param name="name">
         <xsl:value-of select="@name"/>
@@ -248,7 +195,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template mode="variable_list" match="ppx:pouInstance">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="add_variable">
       <xsl:with-param name="name">
         <xsl:value-of select="@name"/>
@@ -262,7 +208,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template mode="var_class" match="*[self::ppx:type or self::ppx:baseType]/ppx:derived">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="default_class"/>
     <xsl:variable name="type_name" select="@name"/>
     <xsl:variable name="pou_infos">
@@ -270,9 +215,7 @@
     </xsl:variable>
     <xsl:choose>
       <xsl:when test="$pou_infos != ''">
-        <xsl:apply-templates mode="var_class" select="exsl:node-set($pou_infos)">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates mode="var_class" select="exsl:node-set($pou_infos)"/>
       </xsl:when>
       <xsl:otherwise>
         <xsl:value-of select="$default_class"/>
@@ -280,20 +223,16 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template mode="var_class" match="ppx:pou">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="@pouType"/>
   </xsl:template>
   <xsl:template mode="var_class" match="*[self::ppx:type or self::ppx:baseType]/*">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="default_class"/>
     <xsl:value-of select="$default_class"/>
   </xsl:template>
   <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType]/ppx:derived">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="@name"/>
   </xsl:template>
   <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType]/ppx:array">
-    <xsl:param name="_indent" select="0"/>
     <xsl:text>ARRAY [</xsl:text>
     <xsl:for-each select="ppx:dimension">
       <xsl:value-of select="@lower"/>
@@ -301,24 +240,18 @@
       <xsl:value-of select="@upper"/>
     </xsl:for-each>
     <xsl:text>] OF </xsl:text>
-    <xsl:apply-templates mode="var_type" select="ppx:baseType">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates mode="var_type" select="ppx:baseType"/>
   </xsl:template>
   <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType]/ppx:string">
-    <xsl:param name="_indent" select="0"/>
     <xsl:text>STRING</xsl:text>
   </xsl:template>
   <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType]/ppx:wstring">
-    <xsl:param name="_indent" select="0"/>
     <xsl:text>WSTRING</xsl:text>
   </xsl:template>
   <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType]/*">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="local-name()"/>
   </xsl:template>
   <xsl:template mode="var_edit" match="*[self::ppx:type or self::ppx:baseType]/ppx:derived">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="type_name" select="@name"/>
     <xsl:variable name="pou_infos">
       <xsl:copy-of select="exsl:node-set($project)/ppx:project/ppx:types/ppx:pous/ppx:pou[@name=$type_name]"/>
@@ -333,26 +266,19 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template mode="var_edit" match="*[self::ppx:type or self::ppx:baseType]/ppx:array">
-    <xsl:param name="_indent" select="0"/>
-    <xsl:apply-templates mode="var_edit" select="ppx:baseType">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates mode="var_edit" select="ppx:baseType"/>
   </xsl:template>
   <xsl:template mode="var_edit" match="*[self::ppx:type or self::ppx:baseType]/*">
-    <xsl:param name="_indent" select="0"/>
     <xsl:text>false</xsl:text>
   </xsl:template>
   <xsl:template mode="var_debug" match="*[self::ppx:type or self::ppx:baseType]/ppx:derived">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="type_name" select="@name"/>
     <xsl:variable name="datatype_infos">
       <xsl:copy-of select="exsl:node-set($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:dataTypes/ppx:dataType[@name=$type_name] |&#10;                    exsl:node-set($extensions)/ppx:project/ppx:types/ppx:dataTypes/ppx:dataType[@name=$type_name]"/>
     </xsl:variable>
     <xsl:choose>
       <xsl:when test="$datatype_infos != ''">
-        <xsl:apply-templates mode="var_debug" select="exsl:node-set($datatype_infos)">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates mode="var_debug" select="exsl:node-set($datatype_infos)"/>
       </xsl:when>
       <xsl:otherwise>
         <xsl:text>false</xsl:text>
@@ -360,19 +286,15 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template mode="var_debug" match="ppx:pou">
-    <xsl:param name="_indent" select="0"/>
     <xsl:text>true</xsl:text>
   </xsl:template>
   <xsl:template mode="var_debug" match="*[self::ppx:type or self::ppx:baseType]/ppx:array">
-    <xsl:param name="_indent" select="0"/>
     <xsl:text>false</xsl:text>
   </xsl:template>
   <xsl:template mode="var_debug" match="*[self::ppx:type or self::ppx:baseType]/ppx:struct">
-    <xsl:param name="_indent" select="0"/>
     <xsl:text>false</xsl:text>
   </xsl:template>
   <xsl:template mode="var_debug" match="*[self::ppx:type or self::ppx:baseType]/*">
-    <xsl:param name="_indent" select="0"/>
     <xsl:text>true</xsl:text>
   </xsl:template>
 </xsl:stylesheet>
diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/pou_variables.ysl2
--- a/plcopen/pou_variables.ysl2	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/pou_variables.ysl2	Fri Feb 16 01:48:48 2018 +0100
@@ -1,5 +1,5 @@
-include yslt.yml2
-estylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
+include yslt_noindent.yml2
+istylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
             xmlns:xhtml="http://www.w3.org/1999/xhtml"
             xmlns:ns="pou_vars_ns" 
             extension-element-prefixes="ns" 
diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/variables_infos.xslt
--- a/plcopen/variables_infos.xslt	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/variables_infos.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="var_infos_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="var_infos_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="tree"/>
-  <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>
@@ -17,32 +13,19 @@
     <xsl:copy-of select="document('extensions')/extensions/*"/>
   </xsl:variable>
   <xsl:template match="ppx:configuration">
-    <xsl:param name="_indent" select="0"/>
-    <xsl:apply-templates select="ppx:globalVars">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:globalVars"/>
   </xsl:template>
   <xsl:template match="ppx:resource">
-    <xsl:param name="_indent" select="0"/>
-    <xsl:apply-templates select="ppx:globalVars">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:globalVars"/>
   </xsl:template>
   <xsl:template match="ppx:pou">
-    <xsl:param name="_indent" select="0"/>
-    <xsl:apply-templates select="ppx:interface/*">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates select="ppx:interface/*"/>
   </xsl:template>
   <xsl:template match="ppx:returnType">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="ns:AddTree()"/>
-    <xsl:apply-templates mode="var_type" select=".">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates mode="var_type" select="."/>
   </xsl:template>
   <xsl:template name="variables_infos">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="var_class"/>
     <xsl:variable name="var_option">
       <xsl:choose>
@@ -59,9 +42,7 @@
     </xsl:variable>
     <xsl:for-each select="ppx:variable">
       <xsl:variable name="initial_value">
-        <xsl:apply-templates select="ppx:initialValue">
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates select="ppx:initialValue"/>
       </xsl:variable>
       <xsl:variable name="edit">
         <xsl:choose>
@@ -69,21 +50,16 @@
             <xsl:text>true</xsl:text>
           </xsl:when>
           <xsl:otherwise>
-            <xsl:apply-templates mode="var_edit" select="ppx:type">
-              <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-            </xsl:apply-templates>
+            <xsl:apply-templates mode="var_edit" select="ppx:type"/>
           </xsl:otherwise>
         </xsl:choose>
       </xsl:variable>
       <xsl:value-of select="ns:AddTree()"/>
-      <xsl:apply-templates mode="var_type" select="ppx:type">
-        <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-      </xsl:apply-templates>
+      <xsl:apply-templates mode="var_type" select="ppx:type"/>
       <xsl:value-of select="ns:AddVariable(@name, $var_class, $var_option, @address, $initial_value, $edit, ppx:documentation/xhtml:p/text())"/>
     </xsl:for-each>
   </xsl:template>
   <xsl:template match="ppx:localVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>Local</xsl:text>
@@ -91,7 +67,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:globalVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>Global</xsl:text>
@@ -99,7 +74,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:externalVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>External</xsl:text>
@@ -107,7 +81,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:tempVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>Temp</xsl:text>
@@ -115,7 +88,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:inputVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>Input</xsl:text>
@@ -123,7 +95,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:outputVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>Output</xsl:text>
@@ -131,7 +102,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:inOutVars">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="variables_infos">
       <xsl:with-param name="var_class">
         <xsl:text>InOut</xsl:text>
@@ -139,53 +109,35 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template mode="var_type" match="ppx:pou">
-    <xsl:param name="_indent" select="0"/>
-    <xsl:apply-templates mode="var_type" select="ppx:interface/*[self::ppx:inputVars or self::ppx:inOutVars or self::ppx:outputVars]/ppx:variable">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates mode="var_type" select="ppx:interface/*[self::ppx:inputVars or self::ppx:inOutVars or self::ppx:outputVars]/ppx:variable"/>
   </xsl:template>
   <xsl:template mode="var_type" match="ppx:variable">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="name">
       <xsl:value-of select="@name"/>
     </xsl:variable>
     <xsl:value-of select="ns:AddTree()"/>
-    <xsl:apply-templates mode="var_type" select="ppx:type">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates mode="var_type" select="ppx:type"/>
     <xsl:value-of select="ns:AddVarToTree($name)"/>
   </xsl:template>
   <xsl:template mode="var_type" match="ppx:dataType">
-    <xsl:param name="_indent" select="0"/>
-    <xsl:apply-templates mode="var_type" select="ppx:baseType">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates mode="var_type" select="ppx:baseType"/>
   </xsl:template>
   <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:struct">
-    <xsl:param name="_indent" select="0"/>
-    <xsl:apply-templates mode="var_type" select="ppx:variable">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates mode="var_type" select="ppx:variable"/>
   </xsl:template>
   <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:derived">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="type_name">
       <xsl:value-of select="@name"/>
     </xsl:variable>
     <xsl:choose>
       <xsl:when test="$tree='True'">
-        <xsl:apply-templates mode="var_type" 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) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates mode="var_type" select="exsl:node-set($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=$type_name]"/>
       </xsl:when>
     </xsl:choose>
     <xsl:value-of select="ns:SetType($type_name)"/>
   </xsl:template>
   <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:array">
-    <xsl:param name="_indent" select="0"/>
-    <xsl:apply-templates mode="var_type" select="ppx:baseType">
-      <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-    </xsl:apply-templates>
+    <xsl:apply-templates mode="var_type" select="ppx:baseType"/>
     <xsl:for-each select="ppx:dimension">
       <xsl:variable name="lower">
         <xsl:value-of select="@lower"/>
@@ -197,28 +149,24 @@
     </xsl:for-each>
   </xsl:template>
   <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:string">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="name">
       <xsl:text>STRING</xsl:text>
     </xsl:variable>
     <xsl:value-of select="ns:SetType($name)"/>
   </xsl:template>
   <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:wstring">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="name">
       <xsl:text>WSTRING</xsl:text>
     </xsl:variable>
     <xsl:value-of select="ns:SetType($name)"/>
   </xsl:template>
   <xsl:template mode="var_type" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/*">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="name">
       <xsl:value-of select="local-name()"/>
     </xsl:variable>
     <xsl:value-of select="ns:SetType($name)"/>
   </xsl:template>
   <xsl:template mode="var_edit" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/ppx:derived">
-    <xsl:param name="_indent" select="0"/>
     <xsl:variable name="type_name">
       <xsl:value-of select="@name"/>
     </xsl:variable>
@@ -235,47 +183,35 @@
     </xsl:choose>
   </xsl:template>
   <xsl:template mode="var_edit" match="*[self::ppx:type or self::ppx:baseType or self::ppx:returnType]/*">
-    <xsl:param name="_indent" select="0"/>
     <xsl:text>true</xsl:text>
   </xsl:template>
   <xsl:template match="ppx:value">
-    <xsl:param name="_indent" select="0"/>
     <xsl:choose>
       <xsl:when test="@repetitionValue">
         <xsl:value-of select="@repetitionValue"/>
         <xsl:text>(</xsl:text>
-        <xsl:apply-templates>
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates/>
         <xsl:text>)</xsl:text>
       </xsl:when>
       <xsl:when test="@member">
         <xsl:value-of select="@member"/>
         <xsl:text> := </xsl:text>
-        <xsl:apply-templates>
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates/>
       </xsl:when>
       <xsl:otherwise>
-        <xsl:apply-templates>
-          <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-        </xsl:apply-templates>
+        <xsl:apply-templates/>
       </xsl:otherwise>
     </xsl:choose>
   </xsl:template>
   <xsl:template match="ppx:simpleValue">
-    <xsl:param name="_indent" select="0"/>
     <xsl:value-of select="@value"/>
   </xsl:template>
   <xsl:template name="complex_type_value">
-    <xsl:param name="_indent" select="0"/>
     <xsl:param name="start_bracket"/>
     <xsl:param name="end_bracket"/>
     <xsl:value-of select="$start_bracket"/>
     <xsl:for-each select="ppx:value">
-      <xsl:apply-templates select=".">
-        <xsl:with-param name="_indent" select="$_indent + (1) * $autoindent"/>
-      </xsl:apply-templates>
+      <xsl:apply-templates select="."/>
       <xsl:choose>
         <xsl:when test="position()!=last()">
           <xsl:text>, </xsl:text>
@@ -285,7 +221,6 @@
     <xsl:value-of select="$end_bracket"/>
   </xsl:template>
   <xsl:template match="ppx:arrayValue">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="complex_type_value">
       <xsl:with-param name="start_bracket">
         <xsl:text>[</xsl:text>
@@ -296,7 +231,6 @@
     </xsl:call-template>
   </xsl:template>
   <xsl:template match="ppx:structValue">
-    <xsl:param name="_indent" select="0"/>
     <xsl:call-template name="complex_type_value">
       <xsl:with-param name="start_bracket">
         <xsl:text>(</xsl:text>
diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/variables_infos.ysl2
--- a/plcopen/variables_infos.ysl2	Fri Feb 16 01:38:34 2018 +0100
+++ b/plcopen/variables_infos.ysl2	Fri Feb 16 01:48:48 2018 +0100
@@ -1,5 +1,5 @@
-include yslt.yml2
-estylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
+include yslt_noindent.yml2
+istylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
             xmlns:xhtml="http://www.w3.org/1999/xhtml"
             xmlns:ns="var_infos_ns" 
             extension-element-prefixes="ns" 
@@ -232,4 +232,4 @@
 }
 
     
-    
\ No newline at end of file
+    
diff -r f2b0d849ea77 -r b85b13b1c2ec plcopen/yslt_noindent.yml2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plcopen/yslt_noindent.yml2	Fri Feb 16 01:48:48 2018 +0100
@@ -0,0 +1,32 @@
+include yslt.yml2
+
+in xsl {
+    decl istylesheet (
+        *output="xml",
+        version="1.0",
+        xmlns:xsl="http://www.w3.org/1999/XSL/Transform",
+        xmlns:exsl='http://exslt.org/common',
+        extension-element-prefixes='exsl'
+    ) alias stylesheet {
+        output *output;
+        content;
+    };
+
+    decl template(match) {
+        content;
+    };
+
+    decl function(name) alias template {
+        content;
+    };
+   
+    decl call(name) alias call-template {
+        content;
+    };
+
+    decl apply(select) alias apply-templates {
+        content;
+    };
+}
+
+