On 9/24/21 1:28 PM, Michael H Deckers via tz wrote: > >> The stuff in 'backzone' is lower quality, and adding lower-quality >> data is not strictly an improvement. > > > Not true: Europe/Belfast, Europe/Guernsey, Europe/Jersey, > Europe/Isle_of_Man are not of "lower quality", You're correct, I should have written "is often of lower quality".