Re: Question about extensible-exceptions (to official extensible-exceptions maintainer - GHC HQ)

On 07/01/13 09:08, Simon Peyton-Jones wrote:
> Which code is being discussed here, specifically?  The Cabal file for 'base' specifies a BSD3 license.

The question was about the "extensible-exceptions" package: 
http://hackage.haskell.org/package/extensible-exceptions

Cheers,
	Simon


> Simon
>
> | -----Original Message-----
> | From: [email protected] [mailto:[email protected]]
> | On Behalf Of Ian Lynagh
> | Sent: 06 January 2013 23:21
> | To: Pavel Zelinsky
> | Cc: Simon Marlow; [email protected]
> | Subject: Re: Question about extensible-exceptions (to official
> | extensible-exceptions maintainer - GHC HQ)
> |
> |
> | [full mail quoted as it doesn't look like the original made it to the
> | list]
> |
> | Hi Pavel,
> |
> | On Fri, Jan 04, 2013 at 05:08:15PM -0700, Pavel Zelinsky wrote:
> | >
> | > Dear Ian Lynagh and Simon Marlow,
> | >
> | > I working with our attorneys an clarifying the Extensible-Exceptions
> | > license and I have a question.
> | >
> | > The license clearly states that code derived from Haskell 98 Report is
> | > distributed under the Report license. At the same time, the Report
> | > license and report itself does not specify code license, but rather
> | > entire report license and modified report.
> | >
> | > So what we are trying to understand:
> | > 1) What specifically code was derived from the Report if any?
> |
> | I'm not a lawyer, so can't offer legal advice (and certainly I'm not
> | qualified to say whether the extensible exceptions code would be
> | considered to be derived from the more primitive exceptions API in the
> | Haskell 98 report).
> |
> | But I wonder why it matters whether the extensible-exceptions code is
> | under that licence, when anything using it presumably also uses base or
> | haskell98, which both have the same licence? Unless perhaps you're
> | porting it to a different language or something?
> |
> | > 2) If the derived code was compiled with the following language in the
> | > license: "modified version is clearly presented as such, and that it
> | > does not claim to be a definition of the Haskell 98 Language"?
> | > Same questions about the "Haskell Foreign..." license.
> |
> | I didn't follow that. Did you mean "complies with" rather than "was
> | compiled with"? If so, I don't think that anyone would say that
> | extensible-exceptions claims to be a definition of the Haskell 98
> | Language (but again, I'm not a lawyer etc).
> |
> | > I'm attaching below excerpts from your license for your convenience.
> | >
> | > Also I'm copying you (see below) on the similar communication with
> | > Milan Straka on Haskell_Containers license. Essentially Milan
> | > responded that there is no part of source code of containers that is
> | > derived from the Report or from Haskell Foreign Function Interface.
> | > Also he changed the license, so it does not mention neither Haskell
> | > Report nor Haskell FFI. I hope it is the same case with
> | > Extensible-Exceptions, so confusion can be resolved.
> | >
> | > Thank you!
> | >
> | > Pavel Zelinsky
> | >
> | > Pavel Zelinsky
> | > Senior Manager and Group Leader, DemandTec Softlines Science IBM
> | > Enterprise Marketing Management
> | >
> | >
> | >
> | >    Phone: 1-303-800-4562
> | IBM
> | >    E-mail: [email protected]
> | >                                                       1 Franklin
> | Parkway
> | >                                                      San Mateo, CA
> | 94403
> | >                                                            United
> | > States
> | >
> | >
> | >
> | > Extensible-Exceptions license:
> | > ----------------------------------------------------------------------
> | -------
> | >   * Code from the Haskell 98 Report which is (c) Simon Peyton Jones
> | >     and freely redistributable (but see the full license for
> | >     restrictions).
> | >
> | >   * Code from the Haskell Foreign Function Interface specification,
> | >     which is (c) Manuel M. T. Chakravarty and freely redistributable
> | >     (but see the full license for restrictions).
> | >
> | > ----------------------------------------------------------------------
> | > -------
> | >
> | > Code from the Haskell 98 Report which is (c) Simon Peyton Jones
> | >     and freely redistributable (but see the full license for
> | >     restrictions).
> | >
> | >   * Code from the Haskell Foreign Function Interface specification,
> | >     which is (c) Manuel M. T. Chakravarty and freely redistributable
> | >     (but see the full license for restrictions).Code derived from the
> | > document "Report on the Programming Language Haskell 98", is
> | > distributed under the following license:
> | >
> | >   Copyright (c) 2002 Simon Peyton Jones
> | >
> | >   The authors intend this Report to belong to the entire Haskell
> | >   community, and so we grant permission to copy and distribute it for
> | >   any purpose, provided that it is reproduced in its entirety,
> | >   including this Notice.  Modified versions of this Report may also be
> | >   copied and distributed for any purpose, provided that the modified
> | >   version is clearly presented as such, and that it does not claim to
> | >   be a definition of the Haskell 98 Language.
> | >
> | > ----------------------------------------------------------------------
> | > -------
> | >
> | > Code derived from the document "The Haskell 98 Foreign Function
> | > Interface, An Addendum to the Haskell 98 Report" is distributed under
> | > the following license:
> | >
> | >   Copyright (c) 2002 Manuel M. T. Chakravarty
> | >
> | >   The authors intend this Report to belong to the entire Haskell
> | >   community, and so we grant permission to copy and distribute it for
> | >   any purpose, provided that it is reproduced in its entirety,
> | >   including this Notice.  Modified versions of this Report may also be
> | >   copied and distributed for any purpose, provided that the modified
> | >   version is clearly presented as such, and that it does not claim to
> | >   be a definition of the Haskell 98 Foreign Function Interface.
> | >
> | > ----------------------------------------------------------------------
> | > -------
> | >
> | > Similar communication with Milan Straka:
> | > ----------------------------------------------------------------------
> | > -------
> | >
> | >
> | >
> | > From:	Milan Straka <[email protected]>
> | > To:	Pavel Zelinsky/Boulder/IBM@IBMUS,
> | > Date:	12/16/2012 01:44 PM
> | > Subject:	Re: Question about Haskell_Containers license
> | >
> | >
> | >
> | > Dear Pavel Zelinsky,
> | >
> | > > I working with our attorneys an clarifying the Haskell_Containers
> | > > license and I have a question.
> | > >
> | > > The license clearly states that code derived from Haskell 98 Report
> | > > is distributed under the Report license. At the same time, the
> | > > Report
> | > license
> | > > and report itself does not specify code license, but rather entire
> | > > report license and modified report.
> | > >
> | > > So what we are trying to understand:
> | > > 1) What specifically code was derived from the Report?
> | > > 2) If the derived code was compiled with the following language in
> | > > the
> | > > license: "modified version is clearly presented as such, and that it
> | > > does not claim to be a definition of the Haskell 98 Language"?
> | > > Same questions about the "Haskell Foreign..." license.
> | >
> | > The maintainers of the containers are sure that there is no part of
> | > source code of containers that is derived from the Report. They are
> | > also sure that there is no part of source code of containers that is
> | > derived from Haskell Foreign Function Interface.
> | >
> | > In order to clarify and simplify the license conditions, we changed
> | > the LICENSE in the master repository of containers (available at
> | > https://github.com/haskell/containers). It now contains only the GHC
> | > license (standard BSD-3 license) and does not mention neither Haskell
> | > Report nor Haskell FFI.
> | >
> | > This hopefully answers your questions. Please do not hesitate to
> | > contact us if you have further questions.
> | >
> | > Best regards,
> | > Milan Straka
> | >
> | > -----------------------------------------------------
> |
> |
> | Thanks
> | Ian
> |
> |
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