I don’t know them all, no. But it would be absolutely ridiculous to force a new user to try to design a set of key bindings for even the hundreds that I do use.

I don’t know them all, no. But it would be absolutely ridiculous to force a new user to try to design a set of key bindings for even the hundreds that I do use. Nobody can predict ahead of time which ones the user will learn over the years that they use an editor, or even which combinations of features they will enable.