XML-Data question

[Ronald Bourret]

Andrew Layman wrote:

> Jeffrey E. Sussna asked "Has any further work taken place on XML Data? 
(How)
> does it relate to XSchema?"
>
> [answer to first question snipped]
>
> Regarding how XML-Data relates to XSchema, I have not worked actively 
with
> XML schemas for about six months, so don't have the knowledge to answer 
that
> question.

XML Data is an ancestor of XSchema, as well as DCD and probably SOX.

In my experience, code designed to use the basic parts of one schema 
language (element and attribute definitions, etc.) can be easily converted 
to use a different schema language.  For example, I was able to quickly 
convert code that used XML-Data to use XSchema.  This obviously becomes 
more difficult/impossible when the code exploits features of one schema 
language that don't occur in the other languages.

-- Ron Bourret


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