When you are using special fonts for your terminal and it could not display correctly. We need to install these front to make it work better

So Powerline fonts is a good candidate and easy to install on MacOS and Linux
https://github.com/powerline/fonts

Basically, we just need to clone this repo and run ./install.sh inside then it will auto install these fonts to your computer

To configure proper font for ASCII (iTerm2 for example)

iTerm2 > Preferences >Profiles >Text >Non-ACSII font > Meslo LG M Regular for Powerline (example)

Then it will affect immediately on your terminal

Good luck!

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