Whenever I come across some code and think "who could possibly have thought this was a good idea?" I realize there is usually a story behind it. I feel like th

Whenever I come across some code and think "who could possibly have thought this was a good idea?" I realize there is usually a story behind it. I feel like this comment belongs right along side the PAM source, if only to remind others that we weren't all that nutty coding it this way. Thanks for this writeup!