[OSM-talk] Undo just got a lot more complicated

[Nic Roets]

Let's say a newbie messes up a region near you. A few weeks later you
discover it and confronts the user who admits his mistake. So you fire up
your undo script (if you're lucky enough to have one).

It will work where the newbie was the last user to edit stuff. Except it's
impossible for a script to detect the difference between
* a good user manually repairing the vandalism, perhaps adding a few things
AND
* a bot fixing spelling mistakes, a bot fixing potlatch mistakes and a bot
fixing mistakes made by the previous two bots.
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