Schedule.trackEpg
If a schedule is created from an EPG item, then the start and stop time of the schedule can be automatically adjusted to follow changes in the EPG.
If a new EPG item has the same title and sub-title, but different start and stop time but still overlaps the old EPG item, then a change in the EPG time is deemed to have occurred.
This setting can also be changed for each individual schedule in each schedule's setting.