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/// Create a CSI sequence /// /// This is a copy from [termion](https://gitlab.redox-os.org/redox-os/termion/-/blob/a448f510f0b525896fed9f14a53030203d7f19ad/src/macros.rs#L2) macro_rules! csi { ($( $l:expr ),*) => { concat!("\x1B[", $( $l ),*) }; }