<?xml version="1.0"?>

<r:help xmlns:r="http://www.r-project.org">

<title>An example</title>
<description>
This is a longer description of the function
</description>
<x:include xmlns:x="http://www.w3.org/2001/XInclude" 
            href="RhelpInfo.xml#xpointer(//references)"/>

<x:include xmlns:x="http://www.w3.org/2001/XInclude" 
            href="RhelpInfo.xml" xpointer="xpointer(//author|//references)"/>
</r:help>