Function _has_environment_mismatch

scripts/lint_note.py:1146–1156

(expr: str)

def _has_environment_mismatch(expr: str) -> bool:
    stack: list[str] = []
    pattern = re.compile(r"(?<!\\)\\(begin|end)\{([A-Za-z*]+)\}")
    for kind, env in pattern.findall(expr):
        if kind == "begin":
            stack.append(env)
            continue
        if not stack or stack[-1] != env:
            return True
        stack.pop()
    return bool(stack)


def _has_left_right_mismatch(expr: str) -> bool: