Off-topic question:<p>Here&#x27;s a past (yesterday&#x27;s) submission: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10891465" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10891465</a><p>Linked URLs are identical, so how did it pass the &#x27;previously submitted&#x27; filter?