[jdom-interest] Bug in XMLOutputter or Element.addAttribute depending on whether null is valid

[Jason Hunter]

Elliotte Rusty Harold wrote:
> 
> At 7:57 PM -0800 11/16/00, Jason Hunter wrote:
> 
> >We need a Verifier.checkAttributeValue() call, and it should protect
> >against null values.  Elliotte, do you want to handle this as Verifier
> >master?
> >
> 
> We don't need a separate method. checkCharacterData() is already
> supposed to handle that. However, it doesn't test for null yet. It
> should be trivial to add that check. I'll try and take a look at it
> this weekend, but if you just want to go ahead and add it, then it's
> no big deal.

I just made the fix.  

-jh-