On Fri, Nov 12, 2021 at 2:15 AM Dimitre Novatchev <dnovatchev@g...> wrote:

To me, XML currently looks to be like UML (unified modeling language).

Developing complex OO applications, certainly need something like UML to model the application structure and behavior.

Its similar with XML I believe. If meta-data is complex (and many times larger in size), its useful to have it as XML.