XML is a document mark-up language, which was repurposed as a data exchange format and configuration format. A mistake in both cases. JSON is a data exchange f

XML is a document mark-up language, which was repurposed as a data exchange format and configuration format. A mistake in both cases. JSON is a data exchange format which is sometimes used as a configuration format, also a mistake. Will we go full circle and start using a configuration language for data exchange or mark-up? TOML APIs?