Re: [docbook] DocBook XSD will be discontinued

[Peter Flynn <peter@silmaril.ie>]

On 13/08/2022 16:47, Norm Tovey-Walsh wrote:
> JÃrgen Purtz <juergen@purtz.de> writes:
> > On 17.01.17 00:07, Bob Stayton wrote:
[...]
> > Will there be a DTD in 5.2? Are there plans for DTD in 6.x?
>
> A DTD would, in principle, be possible as well, but even less useful
> as it would be both non-normative and have no (actual) support for 
> namespaces.

As those people using DTDs (eg in publishing) are probably not worried 
about normativeness, and even less worried about namespaces, they would 
probably be happy with a DTD that just replicates 5.2's or 6.x's changes 
to element types, content models, and attributes, where that is 
possible, and if it is relevant for what is essentially paper/pdf/epub.

> Years ago, I thought it would be possible to generate XSD and DTD

It's grown, and become much more powerful than DTDs were ever envisaged 
for, and I'm not sure many people still use XSD, do they?

Peter