4.4BSD snapshot (revision 8.1); add 1993 to copyright

ANSI fixes; rename the files until I learn to type

new copyright notice

install approved copyright notice

written by Robert Henry; add Berkeley specific header

Add copyright

add decwrl modula2 (this quick&dirty: the ^ pointers mod2 generates
to point to the point of the error aren't shown in the output of error)

nil pointers

add error category for troff; delimited just like pcc ccom, except
uses ` and ' instead of "

from sun

Re proceduralization in errortouch for clarity.
Added -T (terse option)
Added typedefs, and changed textual form of structures
changed argument to vi to begin searching from line 1, instead of line $

date and time created 80/10/16 09:46:45 by root