It is no recommended to map Esc to CapsLock, because you have to figure out different mapping ways for different environments.
Try Ctrl-[, Esc is equivalent to Ctrl-[. or, FYR, I myself use "imap jj <Esc>" instead.
It is no recommended to map Esc to CapsLock, because you have to figure out different mapping ways for different environments.
Try Ctrl-[, Esc is equivalent to Ctrl-[. or, FYR, I myself use "imap jj <Esc>" instead.