April 3, 2018
6:55 p.m.
On Apr 3, 2018, at 2:50 PM, Brian Inglis <Brian.Inglis@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. paul