--- ray/src/cv/mgf2rad.c	1995/04/14 19:03:20	2.16
+++ ray/src/cv/mgf2rad.c	1996/02/27 20:11:27	2.21
@@ -1,4 +1,4 @@
-/* Copyright (c) 1994 Regents of the University of California */
+/* Copyright (c) 1996 Regents of the University of California */
 
 #ifndef lint
 static char SCCSid[] = "$SunId$ LBL";
@@ -33,7 +33,9 @@ main(argc, argv)		/* convert files to stdout */
 int	argc;
 char	*argv[];
 {
-	int	i, rv;
+	int	i;
+				/* print out parser version */
+	printf("## Translated from MGF Version %d.%d\n", MG_VMAJOR, MG_VMINOR);
 				/* initialize dispatch table */
 	mg_ehand[MG_E_COMMENT] = r_comment;	/* we pass comments */
 	mg_ehand[MG_E_COLOR] = c_hcolor;	/* they get color */
@@ -92,14 +94,22 @@ char	*argv[];
 	}
 	putchar('\n');
 	if (i == argc) {		/* convert stdin */
-		if ((rv = mg_load(NULL)) != MG_OK)
+		if (mg_load(NULL) != MG_OK)
 			exit(1);
+		if (mg_nunknown)
+			printf("## %s: %u unknown entities\n",
+					argv[0], mg_nunknown);
 	} else				/* convert each file */
 		for ( ; i < argc; i++) {
 			printf("## %s %s ##############################\n",
 					argv[0], argv[i]);
-			if ((rv = mg_load(argv[i])) != MG_OK)
+			if (mg_load(argv[i]) != MG_OK)
 				exit(1);
+			if (mg_nunknown) {
+				printf("## %s %s: %u unknown entities\n",
+						argv[0], argv[i], mg_nunknown);
+				mg_nunknown = 0;
+			}
 		}
 	exit(0);
 userr:
@@ -345,7 +355,7 @@ char	**av;
 		op = fname + strlen(fname);
 	(void)strcpy(op, ".rad");
 					/* see if we need to run ies2rad */
-	if (access(op, 0) == -1) {
+	if (access(fname, 0) == -1) {
 		(void)strcpy(combuf, "ies2rad");/* build ies2rad command */
 		op = combuf + 7;		/* get -m option (first) */
 		if (ac-xa0 >= 2 && !strcmp(av[xa0], "-m")) {
@@ -529,8 +539,7 @@ material()			/* get (and print) current material */
 		return(mname);
 	}
 					/* check for plastic */
-	if (c_cmaterial->rs < .1 && (c_cmaterial->rs < .01 ||
-					c_isgrey(&c_cmaterial->rs_c))) {
+	if (c_cmaterial->rs < .1) {
 		cvtcolor(radrgb, &c_cmaterial->rd_c,
 					c_cmaterial->rd/(1.-c_cmaterial->rs));
 		fprintf(matfp, "\nvoid plastic %s\n0\n0\n", mname);