I wrote this article; while I don't mind the reposting (its original host is gone), they might have kept my name on it. Here's a repost on my own site: http://w

I wrote this article; while I don't mind the reposting (its original host is gone), they might have kept my name on it. Here's a repost on my own site: http://wry.me/misc/peval.html http://wry.me/misc/peval.html