.aH "SAMPLE LETTER" .VL 4\"WARNING .LI "\ \(rh" .I The nroff .I and troff .I outputs corresponding to the input text below are shown on the following pages. .R .LE .Es 0 .so dwsleti .Ee .SK .rs .sp 10 .ce .I INSERT NROFF OUTPUT HERE .R .SK .rs .sp10 .I .ce INSERT TROFF OUTPUT HERE .R