Generating BNF for an XML schema

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Dear All,

Apologies if I am overloading the list, but does anyone know of a tool, 
that given an ML schema, generates the BF for that.

Thanks,

Monica

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begin:vcard
fn:Monika Solanki
n:Solanki;Monika
email;internet:[email protected]
tel;work:http://www.semanticwebservices.org/
version:2.1
end:vcard


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