pipes and stdin (want keyboard back)

[Rich Salz]

In article <4753 at nisca.ircc.ohio-state.edu>
bobd at nisca.ircc.ohio-state.edu (Bob Debula) writes that when doing
	s|fnews
inside rn, the article is on stdin, and later he needs to read the keyboard.

Open up /dev/tty:
	cat >/tmp/article$$
	trap "exec rm -f /tmp/article" 0 1 2 3 15
	exec </dev/tty
	....
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