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Agreed. I once tried to submit a small snippet I found on stackoverflow to an open source project. Stackoverflow user content is licensed under creative commons

Agreed. I once tried to submit a small snippet I found on stackoverflow to an open source project. Stackoverflow user content is licensed under creative commons, cc-by-sa (see https://stackoverflow.blog/2009/06/25/attribution-required/ https://stackoverflow.blog/2009/06/25/attribution-required/). I included attribution, but it was rejected. I totally understand why. CC0 is much preferred in this case.

peternicky 9y ago
Why was it rejected?
- rectang 9y ago
  Though I don't know the specific project, I can tell you that it is common for projects to reject contributions under licenses that cannot be subsumed by the project's main license. For example, if a project under the Apache License 2.0 were to accept a contribution of CC-BY-SA code, the complete product could no longer be available under the Apache License (and other licenses with similar terms) -- causing problems for downstream consumers.
rectang 9y ago
Your anecdote also emphasizes the requirement for open source projects to maintain rigorous intellectual property policies. Good on both you and the project for the appropriate handling! Clean IP history is especially important for "universal donor" sample code intended to be copy/pasted. If there turns out to be an IP violation in library code, with luck it may be possible to excise it from the library -- and hopefully not too many downstream will have forked it. But when code is copy/pasted, the linkage is severed and the damage becomes increasingly difficult to repair. For those reasons, I'd prefer to see something like a contributor list of public identities for collections of sample code, so that it is transparent who is making the licensing promises.
guelo 9y ago
FYI, newer Stack Overflow code is licensed under an MIT license with a link in code comments serving as attribution. See https://meta.stackexchange.com/questions/272956/a-new-code-license-the-mit-this-time-with-attribution-required?cb=1 https://meta.stackexchange.com/questions/272956/a-new-code-l...
- jay-anderson 9y ago
  Looking at that link I don't think it was implemented. The footers on stack overflow pages still indicate cc-by-sa.

peternicky 9y ago

Why was it rejected?

rectang 9y ago
Though I don't know the specific project, I can tell you that it is common for projects to reject contributions under licenses that cannot be subsumed by the project's main license. For example, if a project under the Apache License 2.0 were to accept a contribution of CC-BY-SA code, the complete product could no longer be available under the Apache License (and other licenses with similar terms) -- causing problems for downstream consumers.

rectang 9y ago

Your anecdote also emphasizes the requirement for open source projects to maintain rigorous intellectual property policies. Good on both you and the project for the appropriate handling! Clean IP history is especially important for "universal donor" sample code intended to be copy/pasted. If there turns out to be an IP violation in library code, with luck it may be possible to excise it from the library -- and hopefully not too many downstream will have forked it. But when code is copy/pasted, the linkage is severed and the damage becomes increasingly difficult to repair. For those reasons, I'd prefer to see something like a contributor list of public identities for collections of sample code, so that it is transparent who is making the licensing promises.

guelo 9y ago

FYI, newer Stack Overflow code is licensed under an MIT license with a link in code comments serving as attribution. See https://meta.stackexchange.com/questions/272956/a-new-code-license-the-mit-this-time-with-attribution-required?cb=1 https://meta.stackexchange.com/questions/272956/a-new-code-l...

jay-anderson 9y ago
Looking at that link I don't think it was implemented. The footers on stack overflow pages still indicate cc-by-sa.