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E0046: unexpected characters in binary literal

Binary number literals start with 0b and can only contain 0 or 1 digits (and optionally an n to signify a BigInt). It is an error to include other digits in binary number literals:

let minInt16 = 0b1000000000000000N;
let mouse = [0xf09f, 0b196];

To fix this error, fix or remove the extra digits or letters:

let minInt16 = 0b1000000000000000n;

Alternatively, convert the binary number literal into a decimal, hexadecimal, or octal number literal:

let mouse = [0xf09f, 0xb196];

Introduced in quick-lint-js version 0.2.0.

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