it's not 100% equivalent, for example C-v (select visual block), I, ..., C-c will cancel the block prepend action, whereas esc or C-[ will execute it. Took me

it's not 100% equivalent, for example C-v (select visual block), I, ..., C-c will cancel the block prepend action, whereas esc or C-[ will execute it. Took me a while to realise that when messing around with visual/block. I still mostly use C-c from muscle memory though, but do occasionally swear at it.