And we haven't even added colorful diff highlights yet. :)
Are you using something similar to what @PABLOF7z did with the wiki?
Yep. It's similar for forks. Edits are kind:1010. Clients just need to render the .content of the latest 1010 by created_at from the same pubkey. Super simple. https://github.com/nostr-protocol/nips/pull/1090