Run vim --clean, :nnoremap K ko, and press K -> Nothing happens.

Run vim --clean and press ko -> Vim enters insert mode on second line.


(I know about big-O, this is just out of curiousity, it appeared in debugging a more complicated map)

  • I guess the mapping is canceled, as the kin the first line is an error. Depending on your settings Vim might beep or flash.
    – Ralf
    Dec 17, 2018 at 13:44

1 Answer 1


This happens, because a macro usually aborts, if not all of the typed keys work. In your case, the k in the first line is an error, so the macro won't try to run the o command.

  • Ah, I didn't realize that k counts as an error
    – Bananach
    Dec 17, 2018 at 14:39

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