--- /dev/null
+<?xml version="1.0"?>
+<xsl:stylesheet
+ xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+ xmlns:helm="http://www.cs.unibo.it/helm"
+ version="1.0"
+>
+ <xsl:template match="/|@*|node()">
+ <xsl:copy>
+ <xsl:apply-templates select="@*|node()" />
+ </xsl:copy>
+ </xsl:template>
+ <xsl:template match="helm:include">
+ <xsl:apply-templates select="document(@href)/*[1]/*" />
+ </xsl:template>
+</xsl:stylesheet>