With this cddl file: ``` a_fixed_bigint = -69820359824690251347463789091535876986214416475039738375086693072001776 ``` `cuddle gen` produces: ``` ➜ doRule a_fixed_bigint 3b 273920e1e0305aef # negative(2826326395652692719) ``` it parses the rule as: `Literal (VNInt 2826326395652692720)`. whereas cddl does generate this value: ``` ➜ cddl b.cddl generate -69820359824690251347463789091535876986214416475039738375086693072001776 ```