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

[Tzeng, Nigel H.]

>From: Chris Zumbrunn [chris at zumbrunn.com]
>
>Except that the current wording of the TGPPL s1.c proviso doesn't
>match what you are describing.

>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)

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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 
Work NO LATER THAN 12 MONTHS AFTER THE
LICENSOR DISTRIBUTES THE ORIGINAL WORK. 
Licensor reserves the right to satisfy this obligation by 
placing a machine-readable copy of the Source Code in 
an information repository reasonably calculated to 
permit inexpensive and convenient access by You for as 
long as Licensor continues to distribute the Original Work OR 
ONE YEAR, WHICHEVER IS GREATER.

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Don't quite know if that latter is needed.  Or if the changes
are in line with what Zooko wanted.