I have submitted few URLs in a comment thread and my comment is showing as dead,<p>Here is the comment,<p>https://news.ycombinator.com/item?id=6490472<p>What could be the reason?<p>You may need to turn on your showdead option to see the comment.<p>[EDIT: It is not dead anymore. But the question remains, what could be the reason? too many URLs?]