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Description
Come from Kakoune, one of the feature that many feel missing is Undo tree, from Kakoune wiki:
Kakoune keeps track of every modification you make to a buffer.
It does this bookkeeping in a non linear way: it means that if you undo a few changes and then decide to make a new one, it will create a branch in the history tree.
Let's see how it works through a concrete example.
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This seem kinda hard, maybe implement this in the far future.