RE: [xml-dev] Why is there no schema for RSS?

["Dare Obasanjo" <dareo@microsoft.com>]

From what I've seen the most popular RSS formats are RSS 0.91 and RSS
1.0. I found an RSS 0.91 schema[0] online but am tempted to write my own
anyway since the use of substitution groups seems like overkill at first
glance to me. Of course I may be wrong. 

Thanks for the pointer to Leigh's RSS 1.0 schema. I'll see if it meets
my needs although I'd probably prefer a W3C XML Schema schema (ah, the
redundancy) with embedded schematron for the places XSD cannot handle. 

This is looking to be a fun weekend. :)

[0] http://xmlmodeling.com/examples/book/Chapter9/rss-0.91.xsd

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>  
>  
> -----Original Message-----
> From: Joe English [mailto:jenglish@flightlab.com] 
> Sent: Thursday, August 29, 2002 7:40 PM
> To: xml-dev@lists.xml.org
> 
> 

> 
> RSS 0.92 was developed by Dave Winer, who is of the "here's 
> what a sample document looks like" school of formal specifications :-)
> 
> Regarding the RDF schema for RSS 1.0, as far as I know -- 
> please correct me if I'm wrong -- an RDF schema doesn't 
> actually imply any notion of "validity"; it just makes 
> statements like "resources of class X may have properties of 
> type Y with a domain of type Z".  (And since any such 
> statement is true already, regardless of whether or not it is 
> asserted by an RDF schema, I suspect that RDFS is meant to be 
> informative rather than
> prescriptive.)
> 
> Leigh Dodds wrote a Schematron schema for RSS 1.0 though:
> 
>     < http://www.ldodds.com/rss_validator/1.0/ >
>