> On Sep 9, 2021, at 4:00 PM, Andy Seaborne <[email protected]> wrote:
> 
> What is your usage scenario?

riot gives me the warning “Lexical form '0000' not valid for datatype XSD 
gYear”. But according to XSD 1.1 Part 2, 0000 is a permitted value for gYear, 
representing 1 BCE.

> Jena supports the XSD datatypes relevant to RDF independently of XML.

I had thought that the reason for this warning was that Jena was relying on the 
default Java implementation of XSD datatypes (which is 1.0 not 1.1). But I 
guess I was wrong, in which case using the Xerces2 parser would not resolve 
this?

Thanks,
Ryan

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