===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/parse/quote.c,v
retrieving revision 1.9
retrieving revision 1.11
diff -u -p -r1.9 -r1.11
--- OpenXM_contrib2/asir2000/parse/quote.c	2004/03/04 03:31:28	1.9
+++ OpenXM_contrib2/asir2000/parse/quote.c	2004/03/10 02:41:08	1.11
@@ -1,4 +1,4 @@
-/* $OpenXM: OpenXM_contrib2/asir2000/parse/quote.c,v 1.8 2004/03/04 01:41:32 noro Exp $ */
+/* $OpenXM: OpenXM_contrib2/asir2000/parse/quote.c,v 1.10 2004/03/09 08:02:01 noro Exp $ */
 
 #include "ca.h"
 #include "parse.h"
@@ -158,7 +158,10 @@ void polytoquote(P a,QUOTE *c)
 	int n,i,sgn;
 	QUOTE v,r,s,u;
 
-	if ( !a || (OID(a) == O_N) ) {
+	if ( !a ) {
+		MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)a));
+		return;
+	} else if ( OID(a) == O_N ) {
 		MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)a));
 		return;
 	}