#define VAR_TRAIT_NAME 0x0001
#define VAR_TRAIT_WIDTH 0x0002
-#define VAR_TRAIT_FORMAT 0x0004
+/* Available for reuse: 0x0004 */
#define VAR_TRAIT_LABEL 0x0008
#define VAR_TRAIT_VALUE_LABELS 0x0010
#define VAR_TRAIT_MISSING_VALUES 0x0020
#define VAR_TRAIT_LEAVE 0x0200
#define VAR_TRAIT_POSITION 0x0400
#define VAR_TRAIT_ATTRIBUTES 0x0800
+#define VAR_TRAIT_PRINT_FORMAT 0x1000
+#define VAR_TRAIT_WRITE_FORMAT 0x2000
+
union value;