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That's not a good way to express a dictionary because it does not allow arbitrary strings as key names.

It's also not a good example of XML, because XML schemas should have a fixed list of tag names.



But the starting point in the example was

    <item name="name" value="John" />  
    <item name="city" value="London" />
where the key names are used as attributes, so it wouldn't work with arbitrary key names either, right?


It would work (kind of); most XML parsers/generators would take care of escaping and unescaping quotes; but there's no way in the XML spec to escape characters in tag names.


XML allows arbitrary strings as key names just fine.


No, you can't have quotes, spaces, etc., because with GGP's scheme it would be a tag name, and these are invalid in tag names.




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