It only marks the last error position

[nanarino]

this will mislead me。🤔

modified without warnings：

|z3|zBA|B-B^f|^c>d^c/A/|
|B>^cd/e/|a/b/a-a|B-B^f|a^cA|
|B-B-B|e^f^c|B-B^f|^c>d^c/A/|
|B>^cd/e/|a/b/a-a|B-B^f|a^cA|
|B>A^c|B-B-B-|B-B-B|z^fa|
|b-ba/b/|a-ae|^fa^c|d-dd/e/|
|^f-^fe/^f/|e-ed/e/|^fga|^ab^c'|
|b-ba/b/|a-ae|^fa^c'|d'e'^f'|
|^f'-^f'e'/d'/|^c'-^c'a/^c'/|d'-d'^c'/b/|^ab^c'|
|^f'-^f'e'/d'/|^c'a^f|b-b-b-|b-b-b|