[tz] Irish Standard Time vs Irish Summer Time

[Paul Eggert]

On 12/08/2017 01:05 PM, Tim Parenti wrote:
> If I'm reading correctly, I think the point is that these suffixes, 
> while meaningful in the AT field, are currently meaningless in the 
> SAVE field even though they're technically permitted there?

Ah, thanks, I misinterpreted his email. I think my proposed patch 
addresses the problem by changing zic.8 to say that SAVE fields should 
not have any suffixes.