docs: private void includeExternal(ServletRequest req, ServletResponse res) throws ServletException, IOException {
  
          // This is an external include, probably to a JSP page, dispatch with system dispatcher
          if (LOG.isInfoEnabled()) {
              LOG.info(
                  Messages.get().getBundle().key(
                      Messages.LOG_FLEXREQUESTDISPATCHER_INCLUDING_EXTERNAL_TARGET_1,
                      m_extTarget));
          }
          m_rd.include(req, res);
      }