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levigo / jbig2-imageio

A Java ImageIO plugin for the JBIG2 bi-level image format
Apache License 2.0
31 stars 19 forks source link

IP vetting for transition to ASL 2.0 #31

Closed hennejg closed 7 years ago

hennejg commented 7 years ago

In order to achieve #30, we need to vet the IP to this component. The vast majority of the component's code base is solely owned by levigo holding GmbH. However, there is one known contributor with an already merged change request and two pending pull requests. We need permission by those contributors for a transition to the ASL.

The following contributions from outside levigo need to be considered:

So, to make the questions explicit and hopefully cause GitHub to notify the contributors:

dbdr commented 7 years ago

I give you permission to release my changes under the ASL 2.0.

hennejg commented 7 years ago

Browsing though the contributions I noticed a contribution by @THausherr in #21. But since you are already an ASF committer and we intend to move this component under the PDFBox umbrella, I suppose that you agreeing to the license change is just a formality. Correct?

THausherr commented 7 years ago

(2nd attempt, mail got lost)

Of course I agree.

But the PR in that issue wasn't by me. Re: The PDF file I attached (584334-JBig2-p1.pdf), I don't have the copyright for it. However I doubt that this page has a copyright at all: https://en.wikipedia.org/wiki/Copyright_law_of_the_United_States#Works_subject_to_copyright_law The United States copyright law protects "original works of authorship".

That page is just some boring cover page and its title isn't poetry or anything similarly great. I got the file from the digitalcorpora site: "For these reasons, we have created and released a corpus of 1 million documents that are freely available for research and may be (to the best of our knowledge) freely redistributed. These documents were obtained by performing searches for words randomly chosen from the Unix dictionary, numbers randomly chosen between 1 and 1 million, and randomized combinations of the two, for documents of specified file types that resided on web servers in the .gov domain using the Yahoo an Google search engines."

If you still think you can't use that file, you can delete it, because it is only useful for tests.

hennejg commented 7 years ago

@THausherr thanks! My concerns were less about the test document but the code fragment you contributed via the comment on #21.

THausherr commented 7 years ago

That is of course fine, too.

janpe2 commented 7 years ago

I can provide my pending pull requests under ASL 2.0.

hennejg commented 7 years ago

@janpe2 thanks a lot!

hennejg commented 7 years ago

With this I conclude that all contributors have agreed to a license change to ASL 2.0.