Not to unnecessarily self-promote, but this was the use case that made me write the SPDX-License-Diff chrome extension. https://github.com/spdx/spdx-license-diff. It also should work on Firefox (but currently only available compiled through the Chrome webstore using my personal dev account). https://chrome.google.com/webstore/detail/spdx-license-diff/kfoadicmilbgnicoldjmccpaicejacdh. Once SPDX gets an official dev account for posting, I'll post it on Firefox too.

Alan

-----Original Message-----
From: Spdx-legal@... [mailto:Spdx-legal@...] On Behalf Of Alexios Zavras
Sent: Wednesday, February 06, 2019 6:20 AM
To: Max Brito <brito@...>
Cc: Spdx-legal@...
Subject: Re: Dom4J: Which type of license?

I think you should look at "Plexus": https://spdx.org/licenses/Plexus.html
We even have a note that covers Dom4j 😊

-- zvr –

-----Original Message-----
From: Spdx-legal@... <Spdx-legal@...> On Behalf Of Max Brito
Sent: Wednesday, 6 February, 2019 13:35
To: Spdx-legal@...
Subject: Dom4J: Which type of license?

Hello,

I keep stumbling on the Dom4J license categorization.

Some people/groups label it as "BSD-style", while others argue this is an Apache-1.1 variation.

The license terms: https://github.com/dom4j/dom4j/blob/master/LICENSE

BSD-4-Clause: https://spdx.org/licenses/BSD-4-Clause
Apache-1.1: https://spdx.org/licenses/Apache-1.1.html

On one side would call this a BSD-5-Clause type of license, where a 5 clause type is yet unheard of. On the other hand it is closely related to Apache-1.1 text albeit the order of the clauses also changes slightly. At current time on our side this is just being categorized as "Open", meaning open source license terms without a specific family type. Albeit this is a sad situation since Dom4J seems in fact to be the licensing love child between BSD and Apache before they parted ways. Maybe we could do better.

In case you see the question as fitting to the group, what would be your opinion on this topic?

Many thanks,
Max

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