{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"EscapeError::TooShortHexEscape"}]}
        EscapeError::TooShortHexEscape => dcx.emit_err(UnescapeError::TooShortHexEscape(err_span)),
        }
        EscapeError::InvalidCharInHexEscape | EscapeError::InvalidCharInUnicodeEscape => {