License for the tzdata information

CHancuff at CHancuff at
Wed Apr 29 07:48:16 UTC 2009

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.


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.

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