BSD and MIT license "compliance" with the MS-PL

Matthew Flaschen matthew.flaschen at
Fri Apr 17 21:15:33 UTC 2009

Wilson, Andrew wrote:
> Matthew Flaschen wrote:
>>> Perhaps the MS-PL license was not
>>> accidently named and appropriately categorized as a permissive weak-copyleft
>>> open source license.
>> Where is it categorized as copyleft (besides the FSF list)?
> MS-PL was categorized as copyleft during the discussions on
> OSI approval.  That was actually one of the key arguments in
> favor of approval, since a weak copyleft, permissive license
> is non-duplicative of BSD/MIT/Apache et al. 

What is your definition of copyleft?  As stated, mine follows (in
particular the first sentence of) .  In my
opinion, MS-Pl does not meet that definition.

Matt Flaschen

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