[openstreetmap-website] Related objects in XML (#768)

[Ilya Zverev]

Including complete parent objects would result in long and complex queries (while it can be supported). That's why no editor automatically calls `/ways` and `/relations` for every downloaded object. The proposed change simply notifies editors that there is something referencing the object, this way — because it is always included — editors cannot ignore it. "Simple" editors can even prohibit deleting an object if it is a member of anything not downloaded.

Including `<parent>` tags in planet dumps and map call responses is unncesessary, because all information is already there.

I see EWG meeting is today, I'll be there to discuss this proposal.

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Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/issues/768#issuecomment-46820882
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