I'd love to be able to backup my map. I'm not sure what hosting options there are (have not checked them out yet), but in case I could start a server with a map of my own making, I'd really like to have a backup in case someone decided to destroy it during multiplayer.
It is possible to write small ruby or python scripts that back up your map every minute for you. That way, you could go back in case something gets screwed up / griefers / etc. There is one on the old forums, I believe.
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Quote from Neodymius »
Quote from ZarroTsu »
Quote from Zruku »
If someone makes a large castle/building/whatever completely out of flammable materials they DESERVE to be killed, robbed, or "griefed".