Re: Public domain and DEP-5-compliant debian/copyright

2014-10-17 Thread Florent Rougon
Charles Plessy ple...@debian.org wrote:

 Hello Florent,

 you can decouple the two issues:

  - The package is totally redistributable in Debian as it is, you do
not need to relicense the files to update to the new upstream release.

  - You can work on the resolving the apparent contradiction at the
pace you want, you can even consider it a wishlist, “patch welcome”
issue only.

Sounds like reasonable advice. I followed that, thank you.

 Have a nice week-end,

Same to you, bye

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Florent


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Re: Public domain and DEP-5-compliant debian/copyright

2014-10-17 Thread Florent Rougon
Hi,

Ben Finney ben+deb...@benfinney.id.au wrote:

 I've been a primary proponent of that point of view, and I think it's
 probably correct. But I wouldn't claim it's *established*; no qualified
 legal expert has said anything so definite here, I believe.

OK, I see.

[...]

 I wouldn't want to assert whether a judge might consider some work too
 trivial to be covered by copyright. If you think it's an easy task, it's
 certainly safer to replace them if you want to relicense.

Sure.

 But there are also established examples of successfully relicensing
 works without getting explicit permission from every copyright holder of
 every portion of the work. So that's an option to explore also.

That's, uh... interesting. What were the conditions exactly? Is it that
some contributors could not be reached and it was assumed they wouldn't
disagree? Or maybe the copyright was assigned in some vague way such as
the *** team or the participants to the *** mailing-list?..

Thanks to all four for your answers, have a nice weekend!

-- 
Florent


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Re: Public domain and DEP-5-compliant debian/copyright

2014-10-13 Thread Ian Jackson
Ben Finney writes (Re: Public domain and DEP-5-compliant debian/copyright):
 Florent Rougon f.rou...@free.fr writes:
It has been established by the mavens from this list that the
copyright statements contradict the public domain assertion, and
that simply stating This program is in the public domain is not
enough to make it so in general.
 
 I've been a primary proponent of that point of view, and I think it's
 probably correct. But I wouldn't claim it's *established*; no qualified
 legal expert has said anything so definite here, I believe.

I disagree with Ben.  The question of freeness is a question of
practical capacity, not a theoretical exercise.  We should be asking:
can our users and downstreams exercise the freedoms we want them to
have, without taking significant risks ?

 Rather, I think such a declaration is not established to be an effective
 divestment of copyright in all the jurisdictions where Debian recipients
 operate, and the risk to them is unacceptable —

Are you aware of _any_ case where a piece of software was released
with a statement from its copyrightholders saying it was public
domain, but where later the copyrightholders reneged on the implied
permissions ?

Note that even copyrightholders who use proper Free copyright licences
sometimes make legally unfounded claims against us or our downstreams.
Empirically I would be very surprised if the risk from legally-naive
copyrightholders, who try to `put things in the public domain', was
greater than the risk from copyrightholders who issue proper licences.

We're not talking about a situation where the whole thing might be a
deliberate trap.  If someone like IBM or Oracle came out with a
`public domain' statement we should be very suspicious - but that's
not (ever) what we're dealing with.

And all of this is before we get into questions of estoppel (or its
equivalent in various jurisdictions).

 especially because it's
 quite easy for the copyright holder to correctly apply a known simple
 free-software license that grants all the relevant permissions.

I don't see how it allegedly being `easy' to fix increases the risk to
Debian and our users and downstreams.  It's totally irrelevant.

And, of course, it's not true.  Licensing decisions are
political decisons, and often contested.  Issues which mix politics
and legal technicalities in this way are not `easy'.

By `easy' you mean `easy if you do what I say'.  But putting forward
such an opinion in a political context is at the very least arrogant
and can appear disingenuous.

Ian.


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Re: Public domain and DEP-5-compliant debian/copyright

2014-10-13 Thread Riley Baird
 Rather, I think such a declaration is not established to be an effective
 divestment of copyright in all the jurisdictions where Debian recipients
 operate, and the risk to them is unacceptable —

In addition to what Ian said, Debian already accepts Public Domain
software, even though public domain is completely meaningless in some
jurisdictions.

 Are you aware of _any_ case where a piece of software was released
 with a statement from its copyrightholders saying it was public
 domain, but where later the copyrightholders reneged on the implied
 permissions ?
 
 Note that even copyrightholders who use proper Free copyright licences
 sometimes make legally unfounded claims against us or our downstreams.
 Empirically I would be very surprised if the risk from legally-naive
 copyrightholders, who try to `put things in the public domain', was
 greater than the risk from copyrightholders who issue proper licences.
 
 We're not talking about a situation where the whole thing might be a
 deliberate trap.  If someone like IBM or Oracle came out with a
 `public domain' statement we should be very suspicious - but that's
 not (ever) what we're dealing with.
 
 And all of this is before we get into questions of estoppel (or its
 equivalent in various jurisdictions).

Theoretically, this could fail the Tentacles of Evil test. Although I
think that the estoppel defense would be enough to stop this.


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Re: Public domain and DEP-5-compliant debian/copyright

2014-10-13 Thread Ben Finney
Ian Jackson ijack...@chiark.greenend.org.uk writes:

 Ben Finney writes (Re: Public domain and DEP-5-compliant debian/copyright):
  Rather, I think such a declaration is not established to be an
  effective divestment of copyright in all the jurisdictions where
  Debian recipients operate, and the risk to them is unacceptable —

 Are you aware of _any_ case where a piece of software was released
 with a statement from its copyrightholders saying it was public
 domain, but where later the copyrightholders reneged on the implied
 permissions ?

I'm not. But we are both well aware of cases where a later, *different*
copyright holder makes an already-distributed work non-free by taking
advantage of unclear or contradictory terms in that work's copyright
status.

 We're not talking about a situation where the whole thing might be a
 deliberate trap. If someone like IBM or Oracle came out with a `public
 domain' statement we should be very suspicious - but that's not (ever)
 what we're dealing with.

The copyright holder can change. If Oracle or IBM acquire copyright in
the work, does that count as “coming out with” a public domain
statement? I'd say that question doesn't much matter.

What does matter in that case is that the work would simultaneously have
a past assertion of public domain status, and also lack a clear grant of
license.

That's a situation to avoid, and we can't avoid the future copyright
acquisition; we can only avoid accepting that work without clear grant
of copyright license in the first place.

  [the risk is unacceptable] especially because it's quite easy for
  the copyright holder to correctly apply a known simple free-software
  license that grants all the relevant permissions.

 I don't see how it allegedly being `easy' to fix increases the risk to
 Debian and our users and downstreams.

The risk isn't increased, it stays the same. The risk becomes less
acceptable, because it's quite easy to avoid: just apply a
known-enforcible widely-understood free software license.

-- 
 \   “Anyone who puts a small gloss on [a] fundamental technology, |
  `\  calls it proprietary, and then tries to keep others from |
_o__)   building on it, is a thief.” —Tim O'Reilly, 2000-01-25 |
Ben Finney


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Re: Public domain and DEP-5-compliant debian/copyright

2014-10-10 Thread Charles Plessy
Le Fri, Oct 10, 2014 at 06:50:49PM +0200, Florent Rougon a écrit :
 
 [ Remainder: this thread is about a file whose copyright/licensing
   statement is of the form:
 
  # Copyright (C) 2002-2010, 2013, 2014  ...
  # Copyright (C) 2000  ...
  #
  # This program is in the public domain.
 
   It has been established by the mavens from this list that the
   copyright statements contradict the public domain assertion, and
   that simply stating This program is in the public domain is not
   enough to make it so in general. As a consequence, I am trying to have
   the file relicensed under a proper license such as BSD-2 or BSD-3. I
   have also taken note of the suggestions given here about the Apache
   Software Foundation License 2.0 (which I am still considering) and the
   CC-0, thank you. ]
 
 Sorry for the little delay. I have recently tried to contact the person
 who is most likely, appart from me, to legitimately own some copyright
 over the file in question in this thread, namely demo.py from
 pythondialog (python-dialog in Debian). This person has been friendly in
 the past, there is no problem on this side, however time is pressing
 because of the imminent freeze of jessie and I am therefore considering
 the other alternative.

Hello Florent,

you can decouple the two issues:

 - The package is totally redistributable in Debian as it is, you do
   not need to relicense the files to update to the new upstream release.

 - You can work on the resolving the apparent contradiction at the
   pace you want, you can even consider it a wishlist, “patch welcome”
   issue only.

Have a nice week-end,

-- 
Charles Plessy
Debian Med packaging team,
http://www.debian.org/devel/debian-med
Tsurumi, Kanagawa, Japan


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Re: Public domain and DEP-5-compliant debian/copyright

2014-10-10 Thread Ben Finney
Florent Rougon f.rou...@free.fr writes:

   It has been established by the mavens from this list that the
   copyright statements contradict the public domain assertion, and
   that simply stating This program is in the public domain is not
   enough to make it so in general.

I've been a primary proponent of that point of view, and I think it's
probably correct. But I wouldn't claim it's *established*; no qualified
legal expert has said anything so definite here, I believe.

Rather, I think such a declaration is not established to be an effective
divestment of copyright in all the jurisdictions where Debian recipients
operate, and the risk to them is unacceptable — especially because it's
quite easy for the copyright holder to correctly apply a known simple
free-software license that grants all the relevant permissions.

 So, under the assumption that I don't hear from the original author
 soon enough, is it necessary to artificially rewrite these examples to
 use different English sentences, or are the original parts too trivial
 to be copyrightable in the first place?

I wouldn't want to assert whether a judge might consider some work too
trivial to be covered by copyright. If you think it's an easy task, it's
certainly safer to replace them if you want to relicense.

But there are also established examples of successfully relicensing
works without getting explicit permission from every copyright holder of
every portion of the work. So that's an option to explore also.

 Thanks for taking the time to read me!

I hope you can get a legally-qualified opinion to help you with these
questions. Thank you for taking seriously the legal freedom of Debian
recipients.

-- 
 \ “Facts are stubborn things; and whatever may be our wishes, our |
  `\   inclinations, or the dictates of our passion, they cannot alter |
_o__)the state of facts and evidence.” —John Adams, 1770-12-04 |
Ben Finney


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Re: Public domain and DEP-5-compliant debian/copyright

2014-09-17 Thread Florent Rougon
Thank you for your replies. It's a pity that properly releasing
something in the public domain is apparently so difficult. The intent
here was to make sure that anyone be free to copy anything from this
file and use it in derivative works without restriction since it is a
demo for a library. Unfortunately, as I feared and you confirmed, the
licensing statement is technically incorrect.

So, it would be better, and probably possible, to relicense. I thank you
for the suggestions of the Apache Software Foundation License 2.0 and
CC-0. However, both of these licenses are a pain to read for normal
human beings, even if other very common licenses are much worse in this
respect (and I know debian-legal readers like such mumbo-jumbo :-). For
this reason, I am more inclined to consider using BSD-2, BSD-3 or WTFPL
(yes, I know the license can only be changed with permission of all
copyright holders).

Thanks and regards

-- 
Florent


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Re: Public domain and DEP-5-compliant debian/copyright

2014-09-16 Thread Charles Plessy
Le Tue, Sep 16, 2014 at 11:18:11AM +0200, Florent Rougon a écrit :
 
 1. I have files in a program with the following copyright statement:
 
  # Copyright (C) 2002-2010, 2013, 2014  ...
  # Copyright (C) 2000  ...
  #
  # This program is in the public domain.
 
but, as I understand it, public domain is the absence of copyright...
right? Would it be better to replace this with:
 
  # Contributors: 2002-2010, 2013, 2014  ...
  #   2000  ...
  #
  # This program is in the public domain.
 
?
 
 2. With the following stanza in debian/copyright (DEP-5):
 
  Files: examples/*
  License: public-domain
 
I get two lintian warnings, the first of which being
missing-field-in-dep5-copyright for the Copyright field IIRC, and the
second one being 'missing-license-paragraph-in-dep5-copyright
public-domain'.

Dear Florent,

for the first point, please do not modify the upstream copyright statements
unless you have the permission from the authors: it is more likely to create
new confusions than to clarify the situation.

For the entry in the machine-readable copyright file, since the information
available suggests that the authors claim a copyright, I would just consider
that “This program is in the public domain.” is the license of the file:

Files: examples/*
Copyright: (C) 2002-2010, 2013, 2014 author A
   (C) 2000 author B
License: says-public-domain
 This program is in the public domain.

Not elegant, but accurate.

Have a nice day,

-- 
Charles Plessy
Debian Med packaging team,
http://www.debian.org/devel/debian-med
Tsurumi, Kanagawa, Japan


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Re: Public domain and DEP-5-compliant debian/copyright

2014-09-16 Thread Ben Finney
Florent Rougon f.rou...@free.fr writes:

 1. I have files in a program with the following copyright statement:

  # Copyright (C) 2002-2010, 2013, 2014  ...
  # Copyright (C) 2000  ...
  #
  # This program is in the public domain.

but, as I understand it, public domain is the absence of copyright...
right?

Right. The quoted statement is self-contradictory. It asserts copyright,
and gives no grounds for the “public domain” claim.

It also fails to grant license for any of the DFSG freedoms. So by
strict interpretation of the statement in view of rigid application of
copyright law, the work is effectively non-free software.

 Would it be better to replace this with:

  # Contributors: 2002-2010, 2013, 2014  ...
  #   2000  ...
  #
  # This program is in the public domain.

?

Even in the absence of a copyright statement, copyright still obtains in
any Berne Convention signatory jurisdiction. Merely stating that a work
is in the public domain does not clearly make it so.

Since it's nearly impossible to remove copyright in a work under most
jurisdictions, the best course is to write the copyright statement to
clearly attribute the copyright holders and years of publication.

What is needed, for this work to clearly be free software, is for the
copyright holders to explicitly grant license in the work, saying
unambiguously what freedoms all recipients have.

Since the apparent intent is to:

* Show attribution of the copyright holders.
* Permit every recipient a very free license.

I would recommend the copyright holders re-release the work clearly
marked with a license grant of broad attribution-only license
conditions; the Apache Software Foundation License 2.0
URL:http://directory.fsf.org/wiki/License:Apache2.0 is a good one IMO.

 Thanks in advance for your answers, please Cc me as I am not
 subscribed.

Done. I hope this helps.

-- 
 \  “Life does not cease to be funny when people die any more than |
  `\  it ceases to be serious when people laugh.” —George Bernard Shaw |
_o__)  |
Ben Finney


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Re: Public domain and DEP-5-compliant debian/copyright

2014-09-16 Thread Riley Baird
 I would recommend the copyright holders re-release the work clearly
 marked with a license grant of broad attribution-only license
 conditions; the Apache Software Foundation License 2.0
 URL:http://directory.fsf.org/wiki/License:Apache2.0 is a good one IMO.

If they really want public domain, though, then CC-0 is good [1].
(However, it isn't OSI approved because it explicitly does not grant
patent/trademark rights.)

[1] https://creativecommons.org/publicdomain/zero/1.0/


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Re: Public domain and DEP-5-compliant debian/copyright

2014-09-16 Thread Ian Jackson
Ben Finney writes (Re: Public domain and DEP-5-compliant debian/copyright):
 Florent Rougon f.rou...@free.fr writes:
  1. I have files in a program with the following copyright statement:
   # Copyright (C) 2002-2010, 2013, 2014  ...
   # Copyright (C) 2000  ...
   #
   # This program is in the public domain.
 but, as I understand it, public domain is the absence of copyright...
 right?
 
 Right. The quoted statement is self-contradictory. It asserts copyright,
 and gives no grounds for the “public domain” claim.
 
 It also fails to grant license for any of the DFSG freedoms. So by
 strict interpretation of the statement in view of rigid application of
 copyright law, the work is effectively non-free software.

This is nonsense.  Courts are not computers.  When interpreting legal
documents such as licences, they read the intent of of the author.

In this case the author's intent is clear: the author wants to
disclaim the monopolies granted by copyright law.  The statement is to
be read as a permissive licence.  So no-one is in any danger of being
sued by the (purported) copyrightholder.

Obviously it would be better if the authors fixed this technical
defect, but it has no significant practical consequences.

Ian.


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Re: Public domain and DEP-5-compliant debian/copyright

2014-09-16 Thread Ben Finney
Ian Jackson ijack...@chiark.greenend.org.uk writes:

 This is nonsense. Courts are not computers. When interpreting legal
 documents such as licences, they read the intent of of the author.

We would hope so, yes. They also take into account the intent of the
*current* copyright holder.

Courts are also not infallible guardians of the public interest; a
hostile future copyright holder can wield the lack of a clear grant of
license to cause a lot more trouble for recipients than would be the
case if the license grant were clear.

We have ample instances of that having been done in the past, enough to
be cautious in treating ambiguous and contradictory copyright
statements.

 In this case the author's intent is clear: the author wants to
 disclaim the monopolies granted by copyright law. The statement is to
 be read as a permissive licence. So no-one is in any danger of being
 sued by the (purported) copyrightholder.

On this I can't see why you modify “copyright holder”. You think this is
an effective divestment of copyright in the work? In all Berne
Convention jurisdictions where Debian recipients will operate?

I don't. It seems clear to me that “This work is in the public domain”
is *not* an effective way to cause a work to have no copyright holder.
That work is still restricted under copyright law, despite the intent of
that statement.

 Obviously it would be better if the authors fixed this technical
 defect

I'm glad that's a point of agreement.

-- 
 \“I don't accept the currently fashionable assertion that any |
  `\   view is automatically as worthy of respect as any equal and |
_o__)   opposite view.” —Douglas Adams |
Ben Finney


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