[tz] [PROPOSED] New edition of Calendrical Calculations

Paul.Koning at dell.com Paul.Koning at dell.com
Tue Apr 3 18:55:52 UTC 2018

> On Apr 3, 2018, at 2:50 PM, Brian Inglis <Brian.Inglis at SystematicSw.ab.ca> wrote:
> ...
> Many of the formulae are obvious, published in their own earlier or others'
> works, or other public calendar software e.g. tzcode.
> Uses of non-creative non-original common public factual data and mathematical
> formulae (essential to all uses of calendars), including information from
> reverse engineering, appear to be unrestricted, from what I gather (IANAL).

I know the "facts aren't copyrightable" rule in the USA, but copyright laws vary among countries.


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