Last night I went to a coding party at a friend's house. I was on my laptop, and so didn't have any of my regular projects with me, so instead I spent some time figuring out some code for another person at the party. The code in question was the implementation of Patience Diff, a diffing algorithm written by Bram Cohen of Bittorrent fame, and used in (at least) the Bazaar version control system. T
