mac key repetetion

http://www.idownloadblog.com/2015/01/14/how-to-enable-key-repeats-on-your-mac/

defaults write NSGlobalDomain ApplePressAndHoldEnabled -bool false
defaults write -g KeyRepeat -int 1
defaults write -g InitialKeyRepeat -int 12

要再起動
（Overleafはvimiumをオフにすることも忘れずに）