Issue a warning when a DST change is not announced when it should have been, judging from the current time and date. This could be represented by a new enum value eann_missing in eDT_announce.
In hindsight, the threshold logic as proposed in #24 seems more future-proof and relying on the experts (as transmitted by DCF77) is probably a better idea.
Issue a warning when a DST change is not announced when it should have been, judging from the current time and date. This could be represented by a new enum value eann_missing in eDT_announce.