pgp.el, as shown at the last PhysMeet

If you'd like to look over this latest version, you can snarf it
from:
ftp.sgi.com:private/pgp-el.tar.gz
This version is still under test and development (notably, I
want to get the transparency working for rmail as well as mh-e,
and for sending as well as receiving). Because it's not
finished yet, I've put it in the private/ directory, which is
protected against browsing. When that's all finished, I'll be
publishing it again in the usual places.