[tz] zic option for including data from a certain year onward

[Paul Eggert]

On 2/4/19 3:06 AM, Christopher Wong wrote:
>
> Does it mean I need to add a start point transition to version 2+, but 
> not to the version 1?
>
Yes, that falls under the guideline in draft-murchison-tzdist-tzif-16 
section 4 saying that version 1 data can be a contiguous subsequence of 
Version 2+ data. Look for the word "contiguous" in the draft.