Re: document() function and error-handling

That's getting off-topic and I already hear the barking. Though, and
sorry, that's a bit wish-wash. I read the XML rec as Scott (and
implemented that way) that the name XML in any combination of
upper-or-lower case is forbidden. Longer names starting with the chars
XML in any combination of upper-or-lower case are allowed by this
rule. I'd love to see a reference to the "rule elsewhere". There's a
rule, that every qname starting with a prefix xml isn't OK. But we're
talking about a name here, not a qname. Isn't XML about to have a
sharp sword to distinguish well-formed from not well-formed?

> and your application may break if W3C decides to attach a special
> meaning to the name you have chosen for yourself. Since there's an
> infinity of names that don't begin with "xml", it costs you nothing
> to avoid this risk.

Sure. Nobody knows, what the w3c decide. But anyway. If everything
else works, such a PI name isn't a problem now and the next future.