+static bool
+all_hidden_vlabels (const struct ctables_table *t, enum pivot_axis_type a)
+{
+ for (size_t i = 0; i < t->stacks[a].n; i++)
+ {
+ struct ctables_nest *nest = &t->stacks[a].nests[i];
+ if (nest->n != 1 || nest->scale_idx != 0)
+ return false;
+
+ enum ctables_vlabel vlabel
+ = t->ctables->vlabels[var_get_dict_index (nest->vars[0])];
+ if (vlabel != CTVL_NONE)
+ return false;
+ }
+ return true;
+}
+