1 files changed, 1 insertions, 0 deletions
diff --git a/tree.h b/tree.h
index b7349af..b17c276 100644
--- a/tree.h
+++ b/tree.h
@@ -7,6 +7,7 @@ typedef struct parse_tree {
 		int ival; /* NUM */
 		float rval; /* RNUM */
 		char *sval; /* ID */
+		node *nval;
 		int opval; /* RELOP: LT LE GT GE EQ NE
 			      ADDOP: PLUS MINUS OR
 			      MULOP: MUL DIV