Enable xi:include at the "section" level too. Issue: FOR-1032
Enable xi:include at the "section" level too.
Issue: FOR-1032


git-svn-id: 36dcc065b18e9ace584b1c777eaeefb1d96b1ee8@683533 13f79535-47bb-0310-9956-ffa450edef68

apache/forrest,apache/forrest,apache/forrest,apache/forrest,apache/forrest,apache/forrest