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Re:How to boost your Vim productivity by zhengyi13 on Tuesday June 02, 2015 @01:15PM (#9647333)
ICBW, but I believe Ctrl-[ is already available, and works the same.

For me, having remapped Capslock to Ctrl, this is a dead simple way of hitting Esc without going as far off homerow.

Re:How to boost your Vim productivity by leephillips on Tuesday June 02, 2015 @01:22PM (#9647391)
I had jk mapped for a long time and thought it was safe. Then one day I actually had to type it as text, and it took me a moment to figure out what was wrong. I'm retraining myself to use ^[ now.
Re:How to boost your Vim productivity by isbadawi on Tuesday June 02, 2015 @01:58PM (#9647686)
I don't think the speed hit you take when you actually have to type 'jk' should be a dealbreaker. It rarely comes up, and when it does, you can use e.g. '<C-v>j<C-v>k' or 'jjkak'.