[License-review] For Legacy Approval: Zope Public License v2.1

Tue Jun 22 16:05:21 UTC 2021

Dear License Review,

Below is the recommendation of the License Committee on the Zope Public 
License.

Pam

Pamela Chestek
Chair, License Committee
Open Source Initiative

License: Zope Public License (ZPL) Version 2.1, SPDX ZPL-2.1 (Exhibit A)
Submitted: April 6, 2021, 
http://lists.opensource.org/pipermail/license-review_lists.opensource.org/2021-April/005124.html 

Decision date: due no later than the first Board meeting after June 5, 2021.

License Review Committee Recommendation:

/Resolved that it is the opinion of the OSI that the Zope Public License 
(ZPL) Version 2.1 conforms to the OSD and assures software freedom and 
that the license be approved as an Open Source Initiative Certified 
license in the category of Licenses That Are Redundant With More Popular 
Licenses. Further, the Zope Public License Version 2.0 will be moved to 
the Superseded Licenses category.//
/
_Rationale Document_

Notes: Version 2.0 of the license was OSI approved. The version of the 
license under review, version 2.1, is from about 2005 and the license 
submitter believes that version 2.0 has not been used for more than 10 
years. 
http://lists.opensource.org/pipermail/license-review_lists.opensource.org/2021-April/005124.html

The primary changes between version 2.0 and version 2.1 were to (i) 
remove the hard-coded name of Zope Corporation from the license and 
substitute “Copyright Holders” and (ii) refer to a separate document 
with the copyright notice rather than an included notice, with some 
additional edits for related changes (for example, substituting 
“accompanying” for “above”).

Version 2.0 of the license was in the “Non-reusable Licenses” category 
but Version 2.1 is suitable for Licenses That Are Redundant With More 
Popular Licenses, since the Zope name is no longer within the license. 
The license is similar to the 3 Clause BSD license, which is the reason 
it is redundant.

No one on License-Review objected to approving the license or to the 
change of license category.

The license submitter agreed that version 2 of the license could be 
listed as superseded. 
http://lists.opensource.org/pipermail/license-review_lists.opensource.org/2021-April/005131.html 

_Exhibit A_

Zope Public License (ZPL) Version 2.1

A copyright notice accompanies this license document that identifies the 
copyright holders.

This license has been certified as open source. It has also been 
designated as GPL compatible by the Free Software Foundation (FSF).

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are met:

1. Redistributions in source code must retain the accompanying copyright 
notice, this list of conditions, and the following disclaimer.

2. Redistributions in binary form must reproduce the accompanying 
copyright notice, this list of conditions, and the following disclaimer 
in the documentation and/or other materials provided with the distribution.

3. Names of the copyright holders must not be used to endorse or promote 
products derived from this software without prior written permission 
from the copyright holders.

4. The right to distribute this software or to use it for any purpose 
does not give you the right to use Servicemarks (sm) or Trademarks (tm) 
of the copyright holders. Use of them is covered by separate agreement 
with the copyright holders.

5. If any files are modified, you must cause the modified files to carry 
prominent notices stating that you changed the files and the date of any 
change.

Disclaimer

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 
EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE 
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 
THE POSSIBILITY OF SUCH DAMAGE.On 4/6/2021 12:53 PM, Jens Vagelpohl wrote:
> Hi,
>
> My name is Jens Vagelpohl and I am release manager for the Zope web application server and many of its add-on packages maintained in the GitHub organization “zopefoundation” at https://github.com/zopefoundation.
>
> Almost all of our products, the oldest starting in the late 1990s, have been published under the Zope Public License, which had been certified by the OSI many years ago. The latest version on file at the OSI is version 2.0, see https://opensource.org/licenses/ZPL-2.0, which has existed since 2001.
>
> The ZPL version 2.0 makes references to Zope Corporation as holding copyrights to code in Zope and related packages. However, after lobbying by the Zope Foundation Zope Corporation assigned code copyrights to the foundation in te mid-2000s. The Zope Public License was rewritten to account for this copyright change and we removed all references to Zope Corporation and released as ZPL version 2.1. The earliest license copies I found in our repositories for version 2.1 are from 2005.
>
> At this point the ZPL version 2.0 hasn’t been used for a decade. All source code had been switched to ZPL 2.1 more than 10 years ago, and Zope Corporation has been defunct for at least as long. I do not know why no foundation representative reached out to the OSI and asked for an update to the published version on the OSI website, even though I was secretary for the Zope Foundation Board of Directors at the time.
>
> I am hereby asking for legacy approval for the Zope Public License version 2.1. I have attached a copy of the license and a copy of the copyright header we attach to all source code files in our repositories.
>
> Thank you for your help!
>
> Jens Vagelpohl
> Release Manager, Zope
> https://plone.org/community/zope-team
>
>
>
>
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