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Motivated by a recent question on the meaning of all sorts of W* acronyms, I would like to get more information about the Wolfram Data Framework (WDF). On its web page http://www.wolfram.com/data-framework/ it says:

"WDF is a human-readable plaintext format that can be rendered in JSON, XML and other forms."

While the specifications of XML and JSON are well known and documented, I do not know about the specifications of WDF. How does it differ from XML or JSON, what are its advantages above other data specification formats?

If I read e.g. an XML file into Mathematica I get a SymbolicXML expression. Does this have anything to do with WDF?

Can anyone enlighten me?

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    $\begingroup$ Moreover, this in another case of documentation driven development because guide/WDFWolframDataFramework proudly shows Export section. Now I challenge you to export/export string anything to .wdf. $\endgroup$ – Kuba Jan 22 '16 at 9:53
  • $\begingroup$ I'd report it to support@wolfram.com $\endgroup$ – chuy Jan 22 '16 at 17:40
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    $\begingroup$ @Kuba This simply has to be a joke, right? It explicitly says "Export - export WDF to a file (.wdf, ... )" for 2+ years now in the guide "WDF (Wolfram Data Framework)"? -- And I just took up your challenge with an Association and $Failed... $\endgroup$ – gwr May 30 '18 at 16:21

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