Jelks Cabaniss wrote:

> But how to do it?  If XML 1.1 has a "valid='yes'|'no'" in the declaration, XML
> 1.1 documents may break when running under an XML 1.0 parser, since the XML 1.0
> BNF clearly states what can and can't be in the declaration.

But they would also notice the version="1.1" as well, and either stop or
ignore stuff they didn't understand...

> Maybe a PI could be formalized similar to the way the stylesheet linking is
> being done:
> 
>         <?xml-assert implementation="valid"?>
> 
> (could also be "minimal" or "full" for the well-formed only options you
> mentioned).

I think the chance of doing this extension via a PI is minimal. 

--
Chris



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