65 	printf("... %g %g %g %g\n", xmin, ymin, xmax, ymax);  in openpl()
66 	printf("... %.3fi %.3fi %.3fi %.3fi\n",  in openpl()
68 	printf(".nr 00 \\n(.u\n");  in openpl()
69 	printf(".nf\n");  in openpl()
70 	printf(".PS %.3fi %.3fi %s", yconv(ymin), xconv(xmax), s);  in openpl()
109 		printf(".sp 1+%.3fi\n", yconv(ymin));  in closepl()
111 	printf("%s\n", PEline);  in closepl()
112 	printf(".if \\n(00 .fi\n");  in closepl()
155 		printf("\\h'%.3fi'", hpos - htrue);  in hvflush()
159 		printf("\\v'%.3fi'", vpos - vtrue);  in hvflush()
166 	printf(".sp -1\n");  in flyback()
173 		printf(".lf %d %s\n", n, f);  in printlf()
175 		printf(".lf %d\n", n);  in printlf()
180 	printf("%s\n", s);  in troff()
192 	printf("%s", textshift);	/* shift down and left */  in label()
198 		printf("\\v'%du*\\n(.vu/2u'", -nh);  in label()
208 		printf("%s", s);  in label()
211 			printf("\\h\\(ts-\\w\\(ts%s\\(tsu\\(ts%s", s, s);  in label()
213 			printf("\\h'-\\w'%s'u'%s", s, s);  in label()
216 			printf("\\h\\(ts-\\w\\(ts%s\\(tsu/2u\\(ts%s", s, s);  in label()
218 			printf("\\h'-\\w'%s'u/2u'%s", s, s);  in label()
220 	printf("\n");  in label()
257 	printf("\\X'BeginObject %g setgray'\n", v);  in fillstart()
265 	printf("\\X'EndObject gsave eofill grestore %g setgray %s'\n",  in fillend()
292 	printf("\\D'l%.3fi %.3fi'\n", dh, dv);  in cont()
302 	printf("\\D'c%.3fi'\n", xsc(2 * r));  in circle()
315 	printf("\\D'~");  in spline()
321 		printf(" %.3fi %.3fi", dx, -dy);	/* WATCH SIGN */  in spline()
323 	printf("'\n");  in spline()
335 	printf("\\D'e%.3fi %.3fi'\n", 2 * ir1, 2 * abs(ir2));  in ellipse()
344 	printf("\\D'a%.3fi %.3fi %.3fi %.3fi'\n",  in arc()
355 	printf("\\&\\f1\\h'-.1m'\\v'.03m'\\s-3.\\s+3\\fP\n");  in dot()