[jdom-interest] Important proposal: Element/Document changes

[Jason Hunter]

> OK then I should not be able to do;
> 
> Element e = new Element("test");
> e.addAttribute("foo", "bar");
> e.addAttribute("foo", "bar");
> 
> Without the second call throwing an exception ?

Yep, when I was going through the code tonight I realized there's no
check for that case, and I already added it to the TODO.  :-)

-jh-