4.4BSD snapshot (revision 8.1); add 1993 to copyright
new copyright; att/bsd/shared
old assignment operator
Add copyright
synchronizing at version 2
since input buffer is variable sized, people who include yy.h need whoami.h.
merge in onyx changes
error() is always supposed to set errpfx back to 'E'.
date and time created 81/03/02 21:28:05 by peter