RE: [xml-dev] Will the next version of XML Schema have a schema-for-schemas that is standalone (no English prose needed to describe constraints in the language)?

From
Michael Kay <>
To
,
Date
2007-10-18T10:50:56Z
ID
<00ba01c81174$c3139c60$6501a8c0@turtle>
Thread
RE: [xml-dev] Will the next version of XML Schema have a schema-for-schemas that is standalone (no English prose needed to describe constraints in the language)?
> Rick, is that historically correct?  Was anyone in the XML 
> Schema Working Group ever arguing *for* content models that 
> depend on attribute values or similar?  I wasn't there, but 
> W3C XML Schema (to me) has always looked like a schema 
> language which takes a lot of inspiration the way data is 
> structured in object-oriented languages (and to a lesser 
> extend, relational databases).

I wasn't there either, but I always thought that they took DTDs as the
starting point, and then added capabilities corresponding to the main ways
in which parameter entities were believed to be used to achieve
customization and reuse.

Michael Kay
http://www.saxonica.com/