RE: [xml-dev] We need SAX features to say a parser supports XML

> Sorry. This can't be done in an erratum. XML 1.0 says what it says.
> Parsers are designed around it. 

Since you are appealing to common practice, can you suggest *which*
parsers are designed around your example being provably true?

> It is provably true that
> <?xml version="1.1"?><root />
> is a well-formed XML 1.0 document.