if HN cares that much about not re-posting, HN should make it easier to check. A lot of people don't even know about searchyc. Can't a URL check against searchy

if HN cares that much about not re-posting, HN should make it easier to check. A lot of people don't even know about searchyc. Can't a URL check against searchyc for a high percentage match and give an intermediate "are you sure you want to post this?"