FW: Namespaces and DTDs

[james anderson]

Didier PH Martin wrote:
> 
> I am using these simple rule of thumb:
> 
> a) a XML DTD is useful for XML editors not for XML renderers

if one presumes this, then one loses the ability to use attribute defaults
and, thereby, for example, the chance to use "architectural" techniques.

> b) Most XML renderers (XSL, CSS or DSSSL won't do document validation)
> c) a XML interpreter do not need a DTD (something else than rendition)
> 
> If I need a DTD at the receiving end, then I am now no longer in the XML
> world but in the SGML world because the receiving end needs a validating
> parser.

these techniques do note presume validation, just the availability of
attribute declarations.

>    Several SGML parser like for instance SP can parse XML simplifyed
> DTD. The only simplification I gained is the -- or -0 think called omitags.
> Therefore, because I have to include a DTD for validation, better use then a
> SGML format.
>


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