This has shown up here before, but http://www.chiark.greenend.org.uk/~sgtatham/coroutines.html http://www.chiark.greenend.org.uk/~sgtatham/coroutines.html is ev

This has shown up here before, but http://www.chiark.greenend.org.uk/~sgtatham/coroutines.html http://www.chiark.greenend.org.uk/~sgtatham/coroutines.html is even scarier. By the way, Simon's a top bloke with a really, really dry sense of humour. I'm wondering how much is being lost in cultural translation here.