.ie 0 .tm "check WA, WE, IA, IE, LT sequence" .el .if 0 .ie !0 .tm "check TL, AU, AS, AE, MT sequence" .el .tm "check TL, AU, AS, AE, NS, NE, MT sequence" .if 1 \{.ie 1 \{ .tm OK-1 .tm OK-2\} .el\{ .ie 1 \{ .tm OK-3 .tm OK-4\} .el\{ .ie 1 \{ .tm OK-5 .tm OK-6 \} .el\{.if 1 \{ .tm OK-7 .tm OK-8 \\$1 \}\}\}\}\} .di >K .nf .ce This is a diversion/center test. And the end. .fi .di .sp THE MACRO .sp .>K .sp THE STRING .sp \*(>K .de>Z This is the macro/string test. .. .sp THE MACRO .sp .>Z .sp THE STRING .sp \*(>Z .ev 1 .ev .ev aaaa .ev .cp 0 .open xx-stream tmp.tmp .write xx-stream .write stdout <EM>from write to stdout</EM> .write xx-stream .write stderr from write to stderr .close xx-stream .so tmp.tmp .sy rm tmp.tmp .ce 3 center three lines .rj 4 right justify four lines then the last line