diff --git a/portgroups/none.xslt b/portgroups/none.xslt
new file mode 100644
index 0000000..2034f7e
--- /dev/null
+++ b/portgroups/none.xslt
@@ -0,0 +1,12 @@
+<?xml version="1.0" ?>
+<xsl:stylesheet version="1.0"
+                xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+  <xsl:output omit-xml-declaration="yes" indent="yes"/>
+
+  <!-- XSLT Identity template -->
+  <xsl:template match="node()|@*">
+     <xsl:copy>
+       <xsl:apply-templates select="node()|@*"/>
+     </xsl:copy>
+  </xsl:template>
+</xsl:stylesheet>