<?xml version="1.0" encoding="utf-8"?>
<stylesheet xmlns="http://www.w3.org/1999/XSL/Transform" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:func="http://exslt.org/functions" xmlns:set="http://exslt.org/sets" version="1.0" extension-element-prefixes="set" set:doc="http://www.exslt.org/set">
   <import href="set.difference.template.xsl"/>
   <import href="set.difference.function.xsl"/>
</stylesheet>