/* Append the names of selected variables to STRING.
TREEVIEW is the treeview containing the variables.
+ COLUMN is column in treeview containing the variables.
DICT is the dictionary for those variables.
*/
-gint append_variable_names (GString *, PsppireDict *, GtkTreeView *);
+gint append_variable_names (GString *string, PsppireDict *dict,
+ GtkTreeView *treeview, gint column);
/* Returns the variable currently selected by the iterator