• Clearly mark all unwritten sections.
• Correct a factual error in the "Transactions" section (which I wrote mostly off the top of my head)
• Add a note about discrepancies in the original PAM paper to the (as yet unwritten) "PAM Application Programming" section.
• Fill in the sample PAM application, and make room for an (as yet unwritten) sample PAM module.

Sponsored by: DARPA, NAI Labs