Squashed 'oh-my-zsh/custom/plugins/zsh-syntax-highlighting/' content from commit dbd27cb

git-subtree-dir: oh-my-zsh/custom/plugins/zsh-syntax-highlighting
git-subtree-split: dbd27cb30a710809dd070669c331574fdc15b397
Merge commit 'eaae817032e49cd4a2c9c17749a7c0eb943e071b' as 'oh-my-zsh/custom/plugins/zsh-syntax-highlighting'
zsh syntax highlighting