--- ray/src/px/ra_skel.c	1993/10/27 09:37:35	2.7
+++ ray/src/px/ra_skel.c	1994/04/05 14:10:52	2.10
@@ -8,7 +8,7 @@ static char SCCSid[] = "$SunId$ LBL";
  *  Skeletal 24-bit image conversion program.  Replace "skel"
  *  in this file with a more appropriate image type identifier.
  *
- *  The Makefile entry should look something like this:
+ *  The Rmakefile entry should look something like this:
  *	ra_skel:	ra_skel.o
  *		cc $(CFLAGS) -o ra_skel ra_skel.o -lrt -lm
  *	ra_skel.o:	../common/color.h ../common/resolu.h
@@ -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');