Err(
    Positioned {
        item: TokenError {
            expected_tokens: [
                Name,
            ],
            found: LexerError(
                InvalidString(
                    UnknownEscapeSequence(
                        "\\97",
                    ),
                ),
            ),
        },
        position: SourcePosition {
            line: 2,
            col: 11,
        },
    },
)