@(#)m.mac 6.1 (Berkeley) 04/29/86

.tr ~ .tr _\(em .ND .. \\$3\f2\\$1\\$2 .. \f3\\$1\\$2\\$3 ..

.lg 0
. use first argument as indent if present
..
.tr --||''^^!!_\(em
.lg

..
. 2=not last lines; 4= no -xx; 8=no xx-
.tr *\(**
..
\\$3\s-2\\$1\s0\\$2\&
..