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Re: [xml-dev] Not using mixed content? Then don't use XML

While we allow for mixed content in MLHIM (www.mlhim.org) we do
discourage it.  In general, free text is not computable for decision
support. That is why we provide complexTypes to carry metadata about
the free text entries.  JSON is not nearly robust enough to do the
validation and logic processing that we can do with XML Schema 1.1
If you want to use JSON for message data formats, be my guest.  But if
you want to know you are receiving valid data against a reference
model, JSON alone can't do it.

I agree with Michael Kay.  In a complex domain with many different
entities needing to validate the same data, you need the robustness of

IMHO, if you are thinking that XML is only useful for flat documents
then you are living in a geocentric (information) world.


On Sun, Mar 24, 2013 at 7:50 AM, Simon St.Laurent <simonstl@simonstl.com> wrote:
> On 3/24/13 6:10 AM, Michael Kay wrote:
>> As far as I can tell, JSON (like CSV) is used almost entirely for
>> private data interchange between consenting applications, not for
>> standardised data formats. (I'm pleased to be corrected if I am wrong).
> As it turns out, the world needs infinitely more formats for private (and
> internal) data interchange than it needs standards for universal
> interchange.  Most of XML's advantages for creating such standards, most
> notably its endless obsession with schemas, turn out to be dead weight for
> private interchange applications.
> There are also piles of public APIs using JSON.  Programmable Web and
> similar places keep showing growth in JSON-based APIs.  See, for example:
> <http://blog.programmableweb.com/2012/12/17/leading-apis-say-bye-xml-in-new-versions/>
> I'll stick to my "mixed content is XML's only genuinely useful advantage"
> argument.  (And there are, of course, other ways to get to mixed content.)
> Thanks,
> --
> Simon St.Laurent
> http://simonstl.com/
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