def split_line(line, min_line_length=30, max_line_length=100):
    """
    This is designed to work with prettified output from Beautiful Soup which indents with a single space.

    :param line: The line to split
    :param min_line_length: The minimum desired line length
    :param max_line_length: The maximum desired line length

    :return: A list of lines
    """
    if len(line) <= max_line_length:
        # No need to split!
        return [line]

    # First work out the indentation on the beginning of the line
    indent = 0
    while line[indent] == ' ' and indent < len(line):
        indent += 1

    # Try to split the line
    # Start looking for a space at character max_line_length working backwards
    i = max_line_length
    split_point = None
    while i > min_line_length:
        if line[i] == ' ':
            split_point = i
            break
        i -= 1

    if split_point is None:
        # We didn't find a split point - search beyond the end of the line
        i = max_line_length + 1
        while i < len(line):
            if line[i] == ' ':
                split_point = i
                break
            i += 1

    if split_point is None:
        # There is nowhere to split the line!
        return [line]
    else:
        # Split it!
        line1 = line[:split_point]
        line2 = ' ' * indent + line[split_point + 1:]
        return [line1] + split_line(line2, min_line_length, max_line_length)