isn't there a duplicate posting filter in HN? I posted the same article (atleast an hour or two before the current one) earlier (1). this happened few times n

isn't there a duplicate posting filter in HN? I posted the same article (atleast an hour or two before the current one) earlier (1). this happened few times now! or am I missing something obvious? thought the filter is supposed to prevent dupe posts?! @dang ? @sctb ? 1. https://news.ycombinator.com/item?id=12521824 https://news.ycombinator.com/item?id=12521824