Open Radar

 
Summary: 
The NSXMLElement method "elementsForName:" fails to return the correct results in certain situations.

Steps to Reproduce: 
1. Create (or otherwise obtain) an NSXMLElement similar in form to the following element:
    <a xmlns="ns1">
      <b xmlns="ns2">
      </b>
    </a>
2. Attempt to get "b" from "a" using the NSXMLElement method elementsForName:

Expected Results: 
Once would expect to get an array containing "b".

Actual Results: 
An array that does NOT contain "b".

Regression: 
This problem occurs every time.
However, it will work properly if:
1. "a" does not contain an xmlns.
2. "b" does not contain an xmlns.
3. "a" and "b" contain the same xmlns.

Notes: 
Note that using the method elementsForLocalName:URI: method works properly.
However, this is certainly not a proper workaround.  There are situations where the xmlns is not known in advance.  This is the situation I have run into while working with some Jabber code.  I know the name of the element, but it's the xmlns information I'm trying to get!