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Re: Attribution-ShareAlike License

Seth David Schoen <schoen@eff.org> writes:

> Adobe has patents which it claims apply to PDF and has licensed them only
> for the purpose of creating compatible implementations.
> http://partners.adobe.com/asn/developer/legalnotices.jsp
> If you modified an application which implements PDF so that it was
> incompatible with Adobe's specifications, you might be outside the
> scope of Adobe's patent license grant.

It should be noted that while this is unpleasant, it doesn't impact
the free-software nature of xpdf, as long as the license doesn't
attempt to incorporate the patent restrictions into itself.

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