[jdom-interest] Base URI on Document

[Alex Rosen]

> The flip side is that I'm not convinced that the base URL is really a
> property of the Platonic document in the same way the root element name
> is, for example. If a document moves from one base URL to another
> without otherwise changing, is it still the same document?

It is a little weird, but if it's in the XML Infoset, and if DOM Level 3 is
going to have it, then it certainly has the official stamp of approval.
Seems worthwhile to me. Seems like if it's a piece of info that's in DOM,
and it's relevent and accessible to JDOM, then we should support it.

Alex