- struct variable *ov = var_clone (v);
- var_set_display_width_quiet (v, new_width);
- dict_var_changed (v, VAR_TRAIT_DISPLAY_WIDTH, ov);
+ if (v->display_width != new_width)
+ {
+ struct variable *ov = var_clone (v);
+ var_set_display_width_quiet (v, new_width);
+ dict_var_changed (v, VAR_TRAIT_DISPLAY_WIDTH, ov);
+ }