Subtitle Edit: Renumber

====== current

public void Renumber(int startNumber = 1)
{
    var number = startNumber;
    int l = Paragraphs.Count + number;
    while (number < l)
    {
        var p = Paragraphs[number - startNumber];
        p.Number = number++;
    }
}

====== ai generated

public void Renumber(int startNumber = 1)
{
    var totalParagraphs = Paragraphs.Count + startNumber;

    for (int i = 0; startNumber < totalParagraphs; i++, startNumber++)
    {
        var paragraph = Paragraphs[i];
        paragraph.Number = startNumber;
    }
}