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   Re: [xml-dev] ASN.1 is an XML Schema Language (Fix those lists!) andBina

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Alessandro Triglia wrote:
> Michael Champion wrote:
>>"Just about any XML object" may be the operative phrase here. 
>>Can ASN.1 systems handle mixed content and open content 
>>models, e.g. XHTML? 
> Yes.  When translating from XML Schema to ASN.1 using X.694, the resulting
> ASN.1 has roughly the same ability to "describe" a class of XML documents as
> the original schema.
> ("Roughly" here means that ASN.1 lacks some minor features such as
> identity-constraint definitions.  On the other hand, ASN.1 has extra
> features that don't correspond to anything in XML Schema.)


X.694 can support W3C XML Schema such as UBL [1] and PLM [2], both of 
which are quite large and use a number of schema features (the latter, 
PLM, uses more).


[1] http://www.oasis-open.org/committees/ubl/lcsc/
[2] http://www.eds.com/products/plm/xml/schema.shtml

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    Paul Sandoz


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