.\" Complete independent document; no previous example is required.
.nr PO .5i
.nr LL 4.7i
.nr LT 4.7i
.nr HM .55i
.nr FM .55i
.nr PS 10
.nr VS 13
.ds RH GRF-11-002
.if n .ftr CR R
.pl 8.2677i
.\" BEGIN EXAMPLE
.nr Samples 12
.nr Added 18
.nr Total (\n[Samples]+\n[Added])
.TL
Computed text values
.PP
The first group contains \n[Samples] items.
The second contains \n[Added] items.
Together they contain \n[Total] items.
.\" END EXAMPLE
.br
.sp .4v
.nf
.ps 7
\f[CR]GRF-11-002\f[]
.fi