gint Ms = round ((size / width_of_M) - 0.25);
struct variable *var = psppire_dict_get_variable (dict, pos);
g_return_val_if_fail (var, TRUE);
gint Ms = round ((size / width_of_M) - 0.25);
struct variable *var = psppire_dict_get_variable (dict, pos);
g_return_val_if_fail (var, TRUE);