Hmm, interesting, but I would actually like a different system (and let me know if any VSCode plugins implement this!): I want TWO forms of undo, one which actu

Hmm, interesting, but I would actually like a different system (and let me know if any VSCode plugins implement this!): I want TWO forms of undo, one which actually undoes my changes, and one which only shows me a ephemeral view of the code in previous states. Call it "not really undo" or "viewing history but not changing it".