License for the tzdata information

Patrice Scattolin patrice.scattolin at
Wed Apr 29 13:30:37 UTC 2009

Actually it's probably easier to get this data disseminated in the 
corporate world if there is a permissive license attached to it as 
opposed to none at all.

In the corporate world, the lawyers (here protecting the assets of the 
shareholders) will want to have proof positive that corporation X has 
the rights to distribute data or code Y and the corporation will not be 
subject to claims. So far, the easiest way to accomplish this is to 
explicitly have terms associated with work.

I've seen this in about every company, big and small, that I have dealt 
with so I would not be surprised it's a widespread issue. YMMV

(IANAL so of course, the above is a personal opinion on my part. )

CHancuff at wrote:
> David is right. 
> Jonas makes a valuable point, of sorts.  The only value for 
> registering a copyright, of any kind, of this collective public domain 
> database is to protect the good name of this mailing list, tz. 
> Other than that, there's little cause for "must be"'s (-es(?)) 
> The potential complexity of this registration may be /the/ spoiler.
> Cliff Hancuff
> In a message dated 4/29/2009 2:30:46 A.M. Eastern Daylight Time, 
> jonas at writes:
>     The data must be made available under a public domain license.
>     Data must
>     be placed into the public domain to be unconstrained by copyright
>     and to
>     be available for both non-commercial and commercial usage. Science
>     Commons [1] recommends the Open Data Commons Public Domain Dedication
>     and License [2] or the Creative Commons CC0 license [3].
>     You must read the first link to understand how important is use a
>     public
>     domain license for data.
>     [1]
>     [2]
>     [3]
>     On Wed, 29 Apr 2009 07:14 +0200, "Jeroen Ruigrok van der Werven"
>     <asmodai at> wrote:
>     > -On [20090429 01:28], Olson, Arthur David (NIH/NCI) [E]
>     > (olsona at wrote:
>     > >There's no license.
>     >
>     > That might actually cause problems in Germany, I think.
>     -- 
> - Or how I learned to stop worrying and
>                               love email again
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