MS-PL/GPL compatibility, was Re: For Approval: Microsoft Permissive License

Chris Travers chris.travers at
Thu Aug 23 20:51:07 UTC 2007

On 8/23/07, Matthew Flaschen <matthew.flaschen at> wrote:
> Chris Travers wrote:
> > If one is *required* to restrict, why are additional permissions
> > specifically excluded from the terms that can be removed?
> They're not excluded.  It also says "When you convey a copy of a covered
> work, you may at your option remove any additional permissions from that
> copy, or from any part of it."

I believe that this is misleading.  The requirement is clear that a lack of
right to remove that permissive bit is not an obstacle as immediately after
your excerpt is:

" (Additional permissions may be written to require their own removal in
certain cases when you modify the work.) You may place additional
permissions on material, added by you to a covered work, for which you have
or can give appropriate copyright permission."

Matt Flaschen
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