--- ray/src/px/ra_skel.c	1993/10/27 09:37:35	2.7
+++ ray/src/px/ra_skel.c	1994/02/27 10:17:18	2.9
@@ -74,7 +74,7 @@ char  *argv[];
 		exit(1);
 	}
 	if (i == argc-2 && freopen(argv[i+1], "w", stdout) == NULL) {
-		fprintf(stderr, "can't open output \"%s\"\n",
+		fprintf(stderr, "%s: can't open output \"%s\"\n",
 				progname, argv[i+1]);
 		exit(1);
 	}
@@ -87,6 +87,7 @@ char  *argv[];
 					/* get their image resolution */
 		read_skel_head(&xmax, &ymax);
 					/* put our header */
+		newheader("RADIANCE", stdout);
 		printargs(i, argv, stdout);
 		fputformat(COLRFMT, stdout);
 		putchar('\n');