[tex-live] ICC profiles for PDF/A compliance

Peter Selinger selinger at mathstat.dal.ca
Fri Sep 7 03:23:14 CEST 2018

> * at some point in the past all the icc profiles somehow shared the same
>   license statement (or it wasn't made clear on profiles2.xalter
>   This is probably when Peter included the _black_sealed one.

No, this is not true. Unfortunately I don't have screen shots from
2015 to prove it, but I am always very careful about licenses. When I
downloaded the file sRGB_IEC61966-2-1_black_scaled.icc from ICC in
2015, I copied and pasted the exact license that came with it into the
file ICC_LICENSE.txt, and I did not alter the text of the license. The
beginning of the license explicitly states:

 It is hereby acknowledged that the file "sRGB_IEC61966-2-1_black
 scaled.icc" is provided "AS IS" WITH NO EXPRESS OR IMPLIED WARRANTY.

These words were not written by me. They were copied and pasted from
the license from color.org. And it explicitly refers to the
"sRGB_IEC61966-2-1_black scaled.icc" profile, so it was not some
blanket license somehow shared by all the icc profiles or
misattributed by me.

It is possible that ICC has decided some time after 2015 to distribute
that file under a different license. However, since I downloaded it in
2015, the terms from 2015 still apply, because a license, once granted,
cannot be retroactively changed.

-- Peter

Norbert Preining wrote:
> Hi Ross, Peter, Karl,
> first of all, I have to agree it is all very convoluted, and I am not an
> expert, but here is what I understood and what I think was the timeline:
> * at some point in the past all the icc profiles somehow shared the same
>   license statement (or it wasn't made clear on profiles2.xalter
>   This is probably when Peter included the _black_sealed one.
> * Debian hat a lintian error about this being non-free, and I was stymed
>   because the license statement was sufficiently free for me (including
>   a renaming clause but that is fine).
>   The reason for this is that in the license statement, as of now, there
>   is no *explicite* clause stating that changes are allowed (a
>   requirement for OSS).
>   But it is stated that *altered* versions are to be renamed etc.
> * I asked clarification from Debian ftp-masters and they agreed that the
>   intention is that changes are allowed with the renaming restrictions,
>   and thus the lintian error should be changed.
> * Then it turned out that on different parts of the color.org page were
>   different license statements, and after clarifications it turned out
>   that the _black_sealed is non-free.
> That brings me to Ross' analysis, with which I agree:
> > So it would seem:
> >      sRGB2014.icc    is free
> >      sRGB_IEC61966-2-1_black_scaled.icc   is not free.
> This is what I would say, too.
> Checking with Debian, the sRGB2015.icc is in the package icc-profiles,
> which is in non-free, and the license statement attributed to the file
> is recorded as
> 	License: ICC
> 	 This profile is made available by the International Color Consortium,
> 	 and may be copied, distributed, embedded, made, used, and sold without
> 	 restriction. Altered versions of this profile shall have the original
> 	 identification and copyright information removed and shall not be
> 	 misrepresented as the original profile.
> 	Comment:
> 	 Apparently applies generally to color profiles with ICC listed as
> 	 copyright holder in the embedded Creator field, according to
> 	 <http://www.color.org/profiles2.xalter#license>.
> So with the ftp-master decision I think it should actually moved into 
> the icc-profile-free package. I will report there and see if I can move
> somthing forward, but this is in fact unrelated to TeX Live!!!
> Now a few more comments:
> On Fri, 07 Sep 2018, Ross Moore wrote:
> > OK. There is a single-line statement saying:   "not free"
> > without any explanation of why Debian has determined this.
> Because as you found, the _black_sealed has different license terms.
> > It is not changed, so far as I’m aware;
> Irrelevant. What is necessary is the permission to change ;-)
> > If this is going to stop Debian from distributing TeXLive, then I suppose
> > we should change the profile.
> No no no. I have for now removed the file in the Debian package and
> suggested the icc-profiles package to get it back, so no worry on the
> Debian side.
> Anyway, in all these discussion I normally *completely* ignore my Debian
> hat and decide for TeX Live, the rest must be managed from Debian in
> some way (I guess I'm a bit schizophrenic ;-)
> > And what about the CMYK profile?      coated_FOGRA39L_argl.icc
> > Has an objection to this ever been raised?
> Not that I know.
> > License: This profile is made available by ECI European Color Initiative, with permission of Heidelberger Druckmaschinen AG, and may be used, embedded and exchanged without restriction. It may not be distributed, sold or altered without written permission of ECI European Color Initiative. Color Toolbox 17.0.0 - (c) Copyright 2015 Heidelberger Druckmaschinen AG. All Rights Reserved.
> > So these would be classed as “not free” right?
> Right, no way to have it in TeX Live.
> > Is it reasonable for TeXLive to request permission to distribute
> No, because we need software/files that follow the FSF guidelines, and
> that means that any user of the files can use the obtained files freely
> (not going into details here now), which wouldn't be achieved.
> > from some of these places:  ECI, IDEAlliance, VIGC, … ?
> > But if granted, would Debian be able to re-distribute?
> No, out of the same reasons. And TeX Live also cannot use them.
> The TeX Live DVDs are sold by Lehmann which would be in breach
> of the copyright agreement.
> > I hope the gs profiles are free. -k
> > 
> > Please clarify, and give a clear reason why you think there is a violation
> > by including these files.
> The question is always whether there is a clear license statement
> allowing for free and unrestricted redistribution within the FSF
> guilelines.
> All the best
> Norbert
> --
> PREINING Norbert                               http://www.preining.info
> Accelia Inc.     +    JAIST     +    TeX Live     +    Debian Developer
> GPG: 0x860CDC13   fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13

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