if (meta_data_get_double(meta, key, &value) == 0)
BUFFER_ADD(",\"%s\":%f", key, value);
} else if (type == MD_TYPE_BOOLEAN) {
if (meta_data_get_double(meta, key, &value) == 0)
BUFFER_ADD(",\"%s\":%f", key, value);
} else if (type == MD_TYPE_BOOLEAN) {