.ps 20
.vs 22
.nf

.de Pos1 
\R'foo1 (\\n[.d]*254+72)/72000' \\n[foo1] mm/10
..

position: \n[.d] units, \*[Pos1]
position: \n[.d] units, \*[Pos1]

.de Pos2 
\R'foo2(\\n[.d]*254+72)/72000' \\n[foo2] mm/10
..

position: \n[.d] units, \*[Pos2]
position: \n[.d] units, \*[Pos2]

.de Pos3 
\R'foo3 (\\n[.d]*254+72)/72000' \\n[foo3] mm/10
.sp -1v
..

position: \n[.d] units, \*[Pos3]
position: \n[.d] units, \*[Pos3]