--- ray/src/util/do_file.tcl	1995/08/28 10:12:38	2.10
+++ ray/src/util/do_file.tcl	1995/09/21 10:29:12	2.11
@@ -8,7 +8,7 @@ set rif_glob *.rif
 proc preen {} {			# clean up radvar
 	global radvar rifname
 	foreach n {objects scene materials illum mkillum render oconv pfilt
-			AMBFILE OPTFILE EXPOSURE ZONE REPORT} {
+			RAWFILE ZFILE AMBFILE OPTFILE EXPOSURE ZONE REPORT} {
 		if {! [info exists radvar($n)]} {
 			set radvar($n) {}
 		}