Use option key as meta in Alacritty under macOS

note, Sep 19, 2024, on Mitja Felicijan's blog

To use option key under macOS as Meta key use the option option_as_alt and set it to "Both".

This is the example for the newer Toml file format.

# ~/.alacritty.toml
[window]
option_as_alt = "Both"

And this is the older YAML format.

# ~/.alacritty.yml
window:
  option_as_alt: Both

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