docs: private boolean isValid(String response, List<String> options) {
  
  		boolean rslt = false;	// default...
  
  		if (options.size() == 0) {
  			// If no acceptable responses are specified, it's wide open...
  			rslt = true;
  		} else {
  			for (String o : options) {
  				if (response.matches(o)) {
  					rslt = true;
  					break;
  				}
  			}
  		}
  		
  		return rslt;
  		
  	}