Re: php5-xapian: PHP licence vs GPL
* Olly Betts:
> It's possible this FAQ entry may not have been updated for GPLv3 - I
> notice that it talks about PHP4, which is obsolete now, and PHP5 predates
> GPLv3.
Yes, I think this may be the case.
> I guess Florian's thinking is based on additional restrictions allowed
> by GPLv3 7c:
>
> c) Prohibiting misrepresentation of the origin of that material, or
> requiring that modified versions of such material be marked in
> reasonable ways as different from the original version
Right, and there is also this one:
d) Limiting the use for publicity purposes of names of licensors or
authors of the material; or
(When applied to the *PHP* group.) And:
e) Declining to grant rights under trademark law for use of some
trade names, trademarks, or service marks; or
> If so, the key issue seems to be whether the naming restriction in section 4
> of the PHP licence can be considered "reasonable":
>
> 4. Products derived from this software may not be called "PHP", nor
> may "PHP" appear in their name, without prior written permission
> from group@php.net. You may indicate that your software works in
> conjunction with PHP by saying "Foo for PHP" instead of calling
> it "PHP Foo" or "phpfoo"
This may not be covered by c), but I think it's covered by e).
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