sn.t: sn.x eqn sn.x | troff -ms >sn.t both: cstr.t appB.t cstr.t: cstr.x tbl cstr.x | eqn | troff -ms >cstr.t appB.t: appB.x troff -man appB.x >appB.t clean: rm -f cstr.t appB.t