404. That’s an error.

The requested URL /bookmarks/mark?op=add&bkmk=http%3A%2F%2Fwww.milkacow.com%2F2005-03-07%2Fa-few-quick-notes%2F&title=a+few+quick+notes%26%238230%3B was not found on this server. That’s all we know.