<div dir="ltr">The difficulty with things like unosat:event_code is that they could well look like "junk" to a future mapper.<div style>"source" and "source:pkey" are perhaps better, a little more transparent in terms of intent.</div>
<div style><br></div><div style>Some mappers object to storing external primary key data in OSM objects. Personally I think it should be supported:</div><div style>a positive match is a strong hit to a fuzzy conflation match.</div>
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