+// undo rg = on effects
+if (isset($month)) unset($month);
+if (isset($year)) unset($year);
+if (isset($day)) unset($day);
+if (isset($hour)) unset($hour);
+if (isset($minute)) unset($minute);
+if (isset($event_year)) unset($event_year);
+if (isset($event_month)) unset($event_month);
+if (isset($event_day)) unset($event_day);
+if (isset($event_hour)) unset($event_hour);
+if (isset($event_minute)) unset($event_minute);
+if (isset($event_length)) unset($event_length);
+if (isset($event_priority)) unset($event_priority);
+