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Another option worth trying is pressing Ctrl-C. Unlike Ctrl-[, it’s not 100% equivalent to ESC (e.g. it prevents abbreviation expansion), but it does put you i

by setopt 2y ago

Another option worth trying is pressing Ctrl-C. Unlike Ctrl-[, it’s not 100% equivalent to ESC (e.g. it prevents abbreviation expansion), but it does put you in normal mode without losing what you did in insert mode.