code: public void doInclude(String realPath, boolean runOnce, Object cachedWithin) throws PageException {
  	if (cachedWithin == null) cachedWithin = getCachedWithin(ConfigWeb.CACHEDWITHIN_INCLUDE);
  	_doInclude(getRelativePageSources(realPath), runOnce, cachedWithin);
      }
docs: used by the transformer