Linux changes:

- mksignal does not work from Linux, don't delete sigmsgs.[ch]
- use "/proc/self/fd" instead of "/dev/fd"
- uses editline as a replacement for readline (about 1/7th the size)
- staticly linked (should be faster forking)


Neil Schemenauer <nas170@mail.usask.ca>
July 26, 1997
