The duplicate detector is a bit odd. Not sure what its rules are, but it doesn't always seem to work. One example (only noticed this because I wrote the linked

The duplicate detector is a bit odd. Not sure what its rules are, but it doesn't always seem to work. One example (only noticed this because I wrote the linked blog post.) https://news.ycombinator.com/item?id=8860103 : http://reactionwheel.net/2015/01/80s-vc.html https://news.ycombinator.com/item?id=8908463 : http://reactionwheel.net/2015/01/80s-vc.html?newpost https://news.ycombinator.com/item?id=8927285 : http://reactionwheel.net/2015/01/80s-vc.html https://news.ycombinator.com/item?id=9129911 : http://reactionwheel.net/2015/01/80s-vc.html