For Approval: Transitive Grace Period Public Licence, v1.0

Chris Zumbrunn chris at
Sat Feb 21 10:58:40 UTC 2009

On Feb 20, 2009, at 18:40 , Tzeng, Nigel H. wrote:

>> From: Chris Zumbrunn [chris at]
>> Under the TGPPL as it is, you could distribute copies of the source  
>> of
>> your derivative work  under another license than the TGPPL, as long  
>> as
>> that other license terminates within the 12 months period and is
>> replaced by the TGPPL. I guess regarding the code that would be
>> covered under the copyright of the original work, that other license
>> would be the one granted to you by s1.c. The proviso itself becomes
>> the license for that initial period during which the TGPPL is  
>> suspended.
>> Instead of allowing the suspension of the entire TGPPL license, s1.c
>> should have been worded in a way that would only suspend the
>> requirement to provide source.
> Would this solve the issue?  (UPCASE indicates changes)
> ---------
> c. to distribute or communicate copies of the Original Work and
> Derivative Works to the public, with the proviso that copies of
> Original Work or Derivative Works that You distribute or
> communicate shall be licensed under this Transitive Grace Period
> Public Licence. <12  MONTH CLAUSE DELETED>
> ...
> 3. Grant of Source Code License. The term "Source Code"
> means the preferred form of the Original Work for making
> modifications to it and all available documentation describing
> how to modify the Original Work. Licensor agrees to provide
> a machine-readable copy of the Source Code of the Original

Yes, that would avoid that particular pitfall. However, now we are  
back at square one, because now what you said earlier isn't true  

On Feb 20, 2009, at 16:24 , Tzeng, Nigel H. wrote:
> OSD 2: Code that is released under the TGPPL provides source and  
> allows
> distribution of that source in s3 Grant of Source Code License.
> Code that has not been released under TGPPL during the 12 month  
> grace period
> provided in s1.c does not provide source since it has not yet been  
> released under


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