update copyright notice

change name of TZ_TYPE values -- the USE_ was bogus

include alpha time zone as 822 comment in Date: line

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

lint-style cleanup

header file cleanup; primarily #include <unistd.h> in sendmail.h
and delete duplicate cruft

change $d to be current date, not origination date

move the meta-characters from C0 into C1 space

clean up log levels; allow IDA-style split header/envelope rewriting;
extend arpatounix with more zones (but is this even needed?)

fix -e compat flag; a few compilation warnings; improve error messages

more environment problems; limit resource exhaustion; fix incorrect
name in Connection timed out message; ANSI C fixes; log message sender on
returned mail during queue run; count recipients properly

more environment problems; limit resource exhaustion; fix incorrect
name in Connection timed out message; ANSI C fixes; log message sender on
returned mail during queue run; count recipients properly; fix YP code;
diagnose "message timed out" properly

show more ...

implement arpatounix; log more info; allow nested $?...$|...$.;
POSIX compatibility; handle SMTP MAIL command errors properly;
do early diagnosis of .cf errors; adjust checkpointing; misc bugs

Release 6

duh.... easier way to handle four digit years

represent arpa dates with four digit years instead of two digits

new copyright notice

arpadate to make everyone happy (except Eric)

install approved copyright notice

remove V6 #ifdefs

add Berkeley specific header

replace sameword with strcasecmp

removed timezone call; tm structure now has zone entry.

apparently European timezones were wrong; thanks to Piet Beertema
<mcvax!piet@seismo.CSS.GOV> for this one

lint for 4.3 release

Resolve duplicate SccsId