XOM API for Processing XML with Java

["Aust, Stefan" <stefan.aust AT coremedia.com>]

Hi Elliotte,

Thanks for addressing my first C14N problem so fast. Here's another
problem I stumbled across.

 public static void main(String[] args) throws Exception {
  Element e1 = new Element("a:a", "urn:a");
  //e1.addAttribute(new Attribute("a", "a"));
  Element e2 = new Element("b");
  e1.appendChild(e2);
  System.out.println(c(e1));
 }

This prints:

 <a:a xmlns:a="urn:a"><b xmlns=""></b></a:a> 
 
But I think, it should print:

 <a:a xmlns:a="urn:a"><b></b></a:a> 

Because if you uncomment the attribute definition it will print

 <a:a xmlns:a="urn:a" a="a"><b></b></a:a>

But frankly, I read the chapter 3 of the exc-c14n spec twice and still
did not understand the rules for xmlns="".  The "" namespace doesn't
occur in the inclusive namespaces prefix list, so (3) applies. 3.1
applies because element b is in the node-set. 3.2 applies because it is
visible utilized (b has no prefix) in b. 3.3 applies (in the case with
attribute) because the empty namespace hasn't rendered yet.  However, I
think, (4) applies, because xmns="" is of course the default namespace,
so (3) cannot be applied.  4.1 applies, I don't fully understand 4.2 and
I think, that 4.3 DOES NOT apply, because there is no nearst output
ancestor that visibly utilize the default namespace.

-- 
Stefan Matthias Aust