On 2016-03-29 11:46, John Aldridge wrote: > An example is parish boundaries which, I understand, have been imported from > Ordnance Survey data. The problem with these are that they often get > inadvertently corrupted in OSM: they tend to lie along other features, which > means that it's rather easy to get them inadvertently to share nodes, which > in turn ends up with them being dragged around by mistake.
I fully agree with this comment. As a major contributor/maintainer of UK admin boundaries in OSM I encounter this frequently. Where the complexity is overseeable and time allows I prefer to disentangle admin boundaries from highways, waterways etc. --colin
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