[tz] leap_second.list not updated after latest IERS Bulletin C

Steffen Nurpmeso steffen at sdaoden.eu
Fri Dec 15 19:00:16 UTC 2023

Martin Burnicki via tz wrote in
 <a3d13ab1-c9be-436b-b960-242ff4c798c1 at meinberg.de>:
 |Paul Eggert via tz:
 |> On 12/9/23 13:30, Tim Parenti wrote:
 |>> It still falls short, though.
 |>> of the ideal that the leap-seconds.list file itself also contain the 
 |>> notice
 |>> so we (and others) don't have to duplicate it elsewhere:
 |>> https://mm.icann.org/pipermail/tz/2017-April/024988.html
 |>> It also doesn't necessarily allay the other concerns.
 |> Perhaps we could work around the copyright-notice problem by adding 
 |> appropriate verbiage to the LICENSE file. This would require some 
 |> thinking, though.
 |> One other problem just occurred to me. Since the IERS variant of 
 |> leap-seconds.list is not public domain, putting it into tzdata would 
 |> contradict Internet RFC 6557 section 7 "Data Ownership"[1], which says 
 |I remember there has already been a discussion here about the "public 
 |domain" requirement shortly after the IERS had started to provide their 
 |version of a leap second file.
 |I have been in touch with some people at IERS who are working on this 
 |and they have been very cooperative throughout.
 |I'm pretty sure they have no problem making the file "public domain" but 
 |the question arises as to what wording should be used to express this in 
 |a way that will be accepted by the TZ DB project.
 |Has anyone ever suggested a formulation that meets the requirement of 
 |the TZDB project, and told them why this was a requirement? I have no 
 |doubt that the folks at IERS would pick it up and integrate it.

Actually Warner Losh of the FreeBSD project (well, hm, maybe the
most authoritative voice, that is), posted on freebsd-stable@
yesterday or two days ago in message
CANCZdfrmTZVYD5UDFSLbWvQ2sg-TkG5oeeaqTtVyvsf0PLQNSw at mail.gmail.com

  | |It's not at all clear there are issues with redistribution. Any files that require a license or purchase are locked down at the web server level. The issues sound more on the FUD end
  | |of the scale. BIPM has never tried to enforce any ip claims to this file. They have, many years ago, displayed an ignorance of what people want in terms of a clear grant... the bipm,
  | |or it's subsidiaries, has published all kinds of other data that's clearly more valuable. Leap seconds are a fact that has low to no creative content. It's not even clear you could co
  | |pyright it... the comments maybe... but I'm not seeing any kind of 
  |Text Content
  |Text content of the GGOS website is generally under the CC BY-SA license. So you are free to share (copy, redistribute) and modify (remix, transform and rebuild) website materials,
  |but with the condition to give an appropriate credit (cite GGOS and place a link to the GGOS Website) and if you remix, transform, or rebuilt the material, you must distribute your
  |contributions under the same license as the original.
  |  [2] mailto:000.fbsd at quip.cz
  |  [3] https://www.ietf.org/timezones/data/leap-seconds.list
  |  [4] https://www.ietf.org/timezones/data/leap-seconds.list
  |  [5] https://hpiers.obspm.fr/iers/bul/bulc/ntp/leap-seconds.list
  |  [6] https://hpiers.obspm.fr/iers/bul/bulc/ntp/leap-seconds.list
  |  [7] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275737
  |  [8] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275737
  |  [9] https://ggos.org/terms-of-use/#copyright
  |IERS is under GGOS organizationally. 
  |[10]https://ggos.org/item/iers/[/10] absent a different license in the leap seconds file, this seems clear to me.

But i am still thinking (unless i missed another commit) that
FreeBSD fetches this once and then distributes the copy to all its

|Der Kragenbaer,                The moon bear,
|der holt sich munter           he cheerfully and one by one
|einen nach dem anderen runter  wa.ks himself off
|(By Robert Gernhardt)
| Only in December: lightful Dubai COP28 Narendra Modi quote:
|  A small part of humanity has ruthlessly exploited nature.
|  But the entire humanity is bearing the cost of it,
|  especially the inhabitants of the Global South.
|  The selfishness of a few will lead the world into darkness,
|  not just for themselves but for the entire world.
|  [Christians might think of Revelation 11:18
|    The nations were angry, and your wrath has come[.]
|    [.]for destroying those who destroy the earth.
|   But i find the above more kind, and much friendlier]

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