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<p>On 2015-10-14 13:04, Christoph Hormann wrote:</p>
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<div class="pre" style="margin: 0; padding: 0; font-family: monospace">On Wednesday 14 October 2015, Colin Smale wrote:
<blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0">Boundaries are often downloadable from authoritative sources. The<br /> downloadable data is however not always the legal definition of the<br /> boundary, but derived from that definition [...]</blockquote>
<br /> A large fraction of 'authorative' sources of boundary data have very <br /> little to do with the legal/contractual definition of the boundary. I <br /> would probably go as far as saying the most inaccurate boundaries in <br /> OSM come from authorative sources.</div>
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<div class="pre" style="margin: 0; padding: 0; font-family: monospace">I would be interested in some supporting evidence for this...</div>
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<blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0"><br /> The boundary is where the government says it is...</blockquote>
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<div class="pre" style="margin: 0; padding: 0; font-family: monospace">Not in OSM - see the 'on the ground rule'. For OSM the boundary is what <br /> locals treat as the boundary.</div>
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<div class="pre" style="margin: 0; padding: 0; font-family: monospace">That's a different boundary then. The area between the two might be "disputed", or there might be a difference between "de jure" and "de facto" boundaries - which are both right, just in different contexts. There is room in OSM for both perspectives.</div>
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