 #ifdef IR_RX
     "IR Received topic: " MQTTrecv "<br>"
 #endif  // IR_RX
+    "Log topic: " MQTTlog "<br>"
+    "LWT topic: " MQTTstatus "<br>"
+    "QoS: " + String(QOS) + "<br>"
     "Last MQTT command seen: " + lastMqttCmdTopic + " : " +
     // lastMqttCmd is unescaped untrusted input.
     // Avoid any possible HTML/XSS when displaying it.

#if MQTT_ENABLE
// MQTT subscribing to topic
void subscribing(const String topic_name) {
  // subscription to topic for receiving data
  if (mqtt_client.subscribe(topic_name.c_str()))
    debug("Subscription OK to " + topic_name);
  else
    debug("Subscription FAILED to " + topic_name);

 *   Unix command line usage example:
 *     # Listen via MQTT for IR messages captured by this server.
 *     $ mosquitto_sub -h 10.0.0.4 -t ir_server/received
 *
 * Note: General logging messages are also sent to 'ir_server/log' from
 *       time to time.
 *
 * If DEBUG is turned on, there is additional information printed on the Serial
 * Port.
