[net.unix] ``nice peculiarity in csh

Doug Gwyn (VLD/VMB) <gwyn@Brl-Vld.ARPA> (01/04/85)

	nice(20);
	nice(-10);
is an attempt to cope with old (Sixth Edition UNIX) nice() semantics
in a fashion that continues to work under new (Seventh Edition) nice()
semantics.