please include function kevin.

static void kevin_wait() ctex {
  //kevin_synth.waitEngineState(Synthesizer.QUEUE_EMPTY);
  print("Kevin waiting.");
  int weird = 0;
  repeat with ms sleep 50 {
    int x = kevin_synth.getEngineState();
    if (x == 66052) break; // normal end
    else if (x == 131588) continue; // still speaking
    else if (weird == 0) print("Weird Kevin state: " + (weird = x));
  }
  print("Kevin done.");
}