Re: comment on VOTable Format Definition v1.09

From: Francois Ochsenbein <francois-at-vizir.u-strasbg.fr>
Date: Fri, 21 May 2004 00:41:02 +0200

Hi Ray,

>I'll confess that I have not actually read the WD "VOTable Format
>Definition v1.09" start to finish; however, my previous post about COOSYS
>brings up a relevent point for this document. As my comment reveals, the
>prose document does not define the format to the same level of detail as
>the XSD file. I therefore recommend that we establish a close coupling
>between the standard document and the schema.
>
>That is, we should (as you did in the 1.0 version) include the Schema
>and/or the DTD as an appendix to the document. Then in the document
>(perhaps in section 1.3), we should say that when using the XML Schema
>approach (marked by the use of xmlns attributes), this is the schema that
>defines a compatible VOTable; when the DTD approach is used, this is the
>DTD that defines a compatible VOTable. Because of the greater ability to
>constrain syntax with Schema, the XSD file should be considered the more
>definitive standard for syntax. Even when an application is using the DTD
>to validate, the application should assume the stricter constraints
>defined in the XSD.

===> It's just a click away ! At the very beginning of section 7,

     a link opens the XSD.

>Finally, I may have mentioned this one about the namespace. I think it
>would be appropriate to base the namespace URI on www.ivoa.net. In
>particular, I recommend we follow the convention used with the resource
>metadata schemas, and use "http://www.ivoa.net/xml/VOTable/v1.1".

===> Sure, in the final version, it will point there. But it also

     means that the physical document must be copied there,
     who is allowed to do this ?

Thank you,
Francois


Francois Ochsenbein       ------       Observatoire Astronomique de Strasbourg
   11, rue de l'Universite F-67000 STRASBOURG       Phone: +33-(0)390 24 24 29
Email: francois-at-astro.u-strasbg.fr   (France)         Fax: +33-(0)390 24 24 32
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Received on 2004-05-21Z00:41:29