It’s interesting that the old parser had the same problem. Although it did the parsing using an LL(1) algorithm, it never actually verified that the grammar was

It’s interesting that the old parser had the same problem. Although it did the parsing using an LL(1) algorithm, it never actually verified that the grammar was LL(1) before doing so. [https://discuss.python.org/t/should-there-be-a-check-whether-grammar-is-ll-1/5192 https://discuss.python.org/t/should-there-be-a-check-whether...]