405 overlay comment, forwarded

[utzoo!duke!mhtsa!eagle!ucbvax!CSVAX.mark at Berkeley]

>From decvax!duke!unc!smb  Fri Jun  5 08:45:48 1981
To: duke!decvax!ucbvax!mark
Subject: 405 overlays
Status: RO

Mark, I've tried to respond to that query, but I never know what's going
to get through.  As I understand it, 405 overlays were added to the
UNIX kernel to support Steve Bourne's (unreleased) Algol 68 compiler.
(See also some features of adb designed to support this compiler.)