Re: Non-free postscript code in EPS image
On Tue, Jul 31, 2012 at 10:02 PM, Michael Wild <themiwi@gmail.com> wrote:
> On 07/31/2012 09:51 PM, Bart Martens wrote:
>> On Tue, Jul 31, 2012 at 12:25:32PM -0700, Steve Langasek wrote:
>>> Hi Michael,
>>>
>>> On Tue, Jul 31, 2012 at 09:03:52PM +0200, Michael Wild wrote:
>>>
>>>> I'm maintaining a package that contains an EPS image created with Adobe
>>>> Illustrator and hence contains postscript library code that is
>>>> copyrighted by Adobe, e.g.:
>>>
>>>> * Copyright(C)2000-2006 Adobe Systems, Inc. All Rights Reserved
>>>> * Copyright(C)1997-2007 Adobe Systems, Inc. All Rights Reserved.
>>>> * Copyright 1997-2006 Adobe Systems Incorporated. All Rights Reserved.
>>>> * Copyright 1987-2006 Adobe Systems Incorporated.
>>>
>>>> and so on.
>>>
>>>> Does this make the file non-redistributable and non-DFSG free? If not,
>>>> would I need to list all these copyright statements into debian/copyright?
>>>
>>>> Strange thing is, most of it is simply boilerplate that is not even
>>>> used. Running it through eps2eps (a ghostscript wrapper) brings the file
>>>> down from 220K to 4K!
>>>
>>> A copyright statement does not, by itself, say anything about the license of
>>> the work. Since Illustrator is frequently used for producing output files
>>> that are expected to be distributed, it would be reasonable to assume that
>>> the output is liberally licensed and that whatever license is listed in the
>>> package is in fact the correct one, with no other license attaching to this
>>> output.
>>>
>>> If you find an authoritative license statement to the contrary, *then* we
>>> should worry about whether this is non-redistributable.
>>
>> The user of Adobe Illustrator may have had the intention to create files that
>> can be freely redistributed. If parts of the files are copyrighted by Adobe
>> (Michael wrote "contains postscript library code that is copyrighted by Adobe")
>> without license from Adobe, then the files cannot be freely redistributed.
>>
>> Regards,
>>
>> Bart Martens
>
> Well, the expectation is that if you purchase a license to use Adobe
> Illustrator that then you are allowed to redistribute the produced files
> under whatever conditions as you like.
>
> Apart from the problem of whether the stripped image would be free of
> the restrictions imposed by the Adobe copyright, I just noticed that the
> ghostscript output also contains a block that is licensed as follows:
>
> Copyright (C) 2010 Artifex Software, Inc. All rights reserved.
Please report to ghostscript bts please. With an example file where
you own the copyright from the source file.
Thanks
Bastien
> How would I ask the FTP-masters what they think about the Adobe
> copyright statements?
>
> I'll probably just remove the file as it is just a logo used in the
> docs. I'll ask upstream whether he would be OK with that.
>
> Michael
>
>
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