--- ray/src/rt/m_mist.c	1996/04/17 14:10:23	2.6
+++ ray/src/rt/m_mist.c	1996/07/16 09:21:10	2.8
@@ -44,6 +44,10 @@ static char SCCSid[] = "$SunId$ LBL";
  *  scattering.  A value approaching 1 indicates strong forward scattering.
  */
 
+#ifndef  MAXSLIST
+#define  MAXSLIST	32	/* maximum sources to check */
+#endif
+
 #define RELAYDELIM	'>'		/* relay delimiter character */
 
 extern COLOR  cextinction;		/* global coefficient of extinction */
@@ -119,7 +123,7 @@ register RAY  *r;
 	double  re, ge, be;
 	register int  i, j;
 					/* check arguments */
-	if (m->oargs.nfargs > 5)
+	if (m->oargs.nfargs > 7)
 		objerror(m, USER, "bad arguments");
 					/* get source indices */
 	if (m->oargs.nsargs > 0 && (myslist = (int *)m->os) == NULL) {