updated_lines = []
    in_code_block3 = False
    in_code_block4 = False
    permalinks = set()

    with path.open("r", encoding="utf-8") as f:
        lines = f.readlines()

    for line in lines:
        # Handle codeblocks start and end
        if not (in_code_block3 or in_code_block4):
            if code_block4_pattern.match(line):
                in_code_block4 = True