+ /* How to display the result of the calculation.
+
+ 'label' is a user-specified label, NULL if the user didn't specify
+ one.
+
+ 'user_area' is usually the same as 'calc_area', but when category labels
+ are rotated from one axis to another it swaps rows and columns.
+
+ 'format' is the format for displaying the output. If
+ 'is_ctables_format' is true, then 'format.type' is one of the special
+ CTEF_* formats instead of the standard ones. */
+ char *label;
+ enum ctables_area_type user_area;