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SharpTreeView: Last First-Party Component Being Non-MIT #1904

christophwille opened this issue Jan 9, 2020 · 1 comment

SharpTreeView: Last First-Party Component Being Non-MIT #1904

christophwille opened this issue Jan 9, 2020 · 1 comment


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@christophwille christophwille commented Jan 9, 2020

As stated in SharpTreeView is the only remaining first-party component inside the repo that is not MIT licensed.

History: Together with other parts (eg AvalonEdit) it was copied verbatim from SharpDevelop at the time ILSpy was started. AvalonEdit source code was later swapped for AvalonEdit NuGet, which was re-licensed to MIT (please see for the relicensing of SharpDevelop to MIT).


  • leave it is as is
  • take the latest MIT-licensed code from the SharpDevelop repository and replace our LGPL copy with the new MIT-licensed copy. However, we have fixed stuff in our repo that never happened in SharpDevelop (new project format, bug fixes, et cetera).
  • re-license our LGPL copy to MIT. See the history - changes have been contributed by developers w/out JCA to the copied code. We'd need to get their ok.
christophwille added a commit that referenced this issue Jan 9, 2020

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@christophwille christophwille commented Jan 11, 2020

Regarding re-licensing (last bullet point): we could do something similar to icsharpcode/SharpZipLib#103 (comment)

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