--- ray/src/rt/rv2.c	1993/09/09 13:47:55	2.20
+++ ray/src/rt/rv2.c	1994/01/06 15:52:17	2.23
@@ -32,6 +32,8 @@ static char SCCSid[] = "$SunId$ LBL";
 
 extern char  *atos();
 
+extern FILE  *popen();
+
 extern char  rifname[128];		/* rad input file name */
 
 extern char  VersionID[];
@@ -634,8 +636,10 @@ char  *s;
 	if (thisray.ro == NULL)
 		(*dev->comout)("ray hit nothing");
 	else {
-		sprintf(buf, "ray hit %s %s \"%s\"",
-				objptr(thisray.ro->omod)->oname,
+		sprintf(buf, "ray hit %s%s %s \"%s\"",
+				thisray.rod < 0.0 ? "back of " : "",
+				thisray.ro->omod == OVOID ? VOIDID :
+					objptr(thisray.ro->omod)->oname,
 				ofun[thisray.ro->otype].funame,
 				thisray.ro->oname);
 		(*dev->comout)(buf);