Thanks for the very thought-out response. It will take me a day to digest it. In the meantime, yes feel free to use any of my confusion to expand the essay.
From: Jonathan S. Shapiro <email@example.com> To: gaf@objectGuild.com <gaf@objectGuild.com> Cc: firstname.lastname@example.org <email@example.com> Date: Tuesday, March 10, 1998 11:49 PM
Subject: Card Keys and ACLs
>Thanks for your note. Would you mind if I incorporate some of your
>questions into the "What is a Capability" essay?