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<p>It really depends on if it is data that is from a mapper that
agreed to the Contributor Terms or not (the CTs do work
retroactively).</p>
<p>Pre-contributor terms the situation is rather unclear as there
are multiple way of reading the single sentence contributors had
to agree to before the introduction of the CTs.<br>
</p>
<div class="moz-cite-prefix">Am 31.01.2022 um 13:14 schrieb Martin
Koppenhoefer:<br>
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cite="mid:CABPTjTCCyCXrp_HncdGi309LwkpemqGZ8pQPBq0ZW15Cyat3vQ@mail.gmail.com">
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<div dir="ltr" class="gmail_attr">Am Mo., 31. Jan. 2022 um
12:37 Uhr schrieb Mateusz Konieczny via legal-talk <<a
href="mailto:legal-talk@openstreetmap.org"
moz-do-not-send="true" class="moz-txt-link-freetext">legal-talk@openstreetmap.org</a>>:<br>
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0.8ex;border-left:1px solid
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<div>I edited <a
href="https://wiki.openstreetmap.org/wiki/Template:Tiles@Home_screenshot"
rel="noopener noreferrer" target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">https://wiki.openstreetmap.org/wiki/Template:Tiles@Home_screenshot</a><br>
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<div dir="auto">based on info so far<br>
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<div><br>
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<div>"you must credit the contributors whose data is
visible on the map"<br>
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<div dir="auto">so in extreme interpretation it would be
necessary to credit specific mappers,<br>
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<div dir="auto">not "OSM contributors" in general?<br>
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<div>I'd say it is a grey zone. Not sure if OSMF has published
how they see it (probably yes, at least when the license
change was discussed in 2012), but there was never a court
ruling to verify any interpretation. Interpretations vary from
cc-by-sa 2.0 unported not applicable to data (aka
representation of facts), to every mapper whose data is built
upon must be credited.</div>
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<div>Cheers,</div>
<div>Martin<br>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
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