return transcript even if no message was collected

return transcript even if no message was collected

drop M_FINAL, add $y=ttyname, rename some constants

drop M_FINAL, change some other defined constant names

drop M_FINAL, change some other defined constant names

drop M_FINAL, change some other defined constant names

drop M_FINAL, change some other defined constant names

drop M_FINAL, change some other defined constant names

drop M_FINAL, rename some other defined constants

add -V flag to verify addresses

add the $y macro as the tty name.

internal cleanup & minor improvements

clean up some header information; don't reopen tempfile as
stdin (to fix some problems with saving mail on interrupts)

clean up some header information; don't reopen tempfile as
stdin (to fix some problems with saving mail on interrupts)

clean up some header information; don't reopen tempfile as
stdin (to fix some problems with saving mail on interrupts)

clean up some header information; don't reopen tempfile as
stdin (to fix some problems with saving mail on interrupts)

clean up some header information; don't reopen tempfile as
stdin (to fix some problems with saving mail on interrupts)

clean up some header information; don't reopen tempfile as
stdin (to fix some problems with saving mail on interrupts)

clean up some header information; don't reopen tempfile as
stdin (to fix some problems with saving mail on interrupts)

pretty up message that include() prints

merge forwarding with :include:ing

merge forwarding with :include:ing

split deliver.c and sendto.c

split deliver.c and sendto.c

take $$ to get $