*`zhighlighters=(main brackets cursor)` add any highlighters you want as described [here](https://github.com/zsh-users/zsh-syntax-highlighting/blob/master/docs/highlighters.md#zsh-syntax-highlighting--highlighters).
Contributing
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Contributions should be submitted [upstream to zsh-syntax-highlighting](https://github.com/zsh-users/zsh-syntax-highlighting)