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<div class="moz-cite-prefix">Am 09.11.2016 um 12:42 schrieb Martin
Koppenhoefer:<br>
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<div class="gmail_quote">2016-11-06 0:25 GMT+01:00 Simon Poole
<span dir="ltr"><<a moz-do-not-send="true"
href="mailto:simon@poole.ch" target="_blank">simon@poole.ch</a>></span>:<br>
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...............<br>
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<div>I'm not sure it is like this. Just because the code to
produce the work has a CC0 license attached to it does not
necessarily mean that the resulting cartography is also
free of rights. At least the copyright page at <a
moz-do-not-send="true"
href="http://www.openstreetmap.org/copyright">http://www.openstreetmap.org/copyright</a>
clearly has a different claim on it (if deliberately or as
result of oversight is not clear to me).<br>
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<p>Or are we claiming that we are actually licensing the
design/look and feel of the standard tiles on CC by-SA
terms (and by that have rights in any derivatives of
that style) and you can't actually use
openstreetmap-carto style sheet to produce a style that
is visually similar to our standard style?</p>
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<div>that's what we seem to do right now, yes.<br>
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<div>Admittedly there is quite some probability that the
current claim of cc-by-sa 2.0 cartography is not because
the creators of this work had been requiring it (AFAIK
originally Steve Chilton and his team, now Andy and all
the other contributors to the style), as they have
expressed consent / will to release the style in CC0.<br>
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<a class="moz-txt-link-freetext" href="https://github.com/gravitystorm/openstreetmap-carto/pull/2474">https://github.com/gravitystorm/openstreetmap-carto/pull/2474</a> is
likely relevant to this point.<br>
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<div>What we actually might want to achieve with the
cc-by-sa on the tiles is that people who use tiles
produced and distributed with our ressources will have to
credit OSM for this and should not be able to restrict the
further downstream distribution.<br>
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True, except, naturally, that that is silly (standard style tiles
created on OSMF infrastructure are indistinguishable from such
rendered somewhere else) and creates more issues than it solves.
And it is still not clear what we are licensing in this case,
assuming that both the style and the cartography generated by it are
CC0 (note: yes we have to use a licence that guarantees downstream
attribution of the data source).<br>
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Simon <br>
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<div>Cheers,<br>
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<div>Martin<br>
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