graph_config_get_bool (child, &def->area);
else if (strcasecmp ("Format", child->key) == 0)
graph_config_get_string (child, &def->format);
graph_config_get_bool (child, &def->area);
else if (strcasecmp ("Format", child->key) == 0)
graph_config_get_string (child, &def->format);