[XML-SIG] gray areas in Python SAX API

[Stephane Bidoul]

> > I agree that this may be caused by one of the parser being 
> in namespace
> > mode (and using startElementNS) and not the other one 
> (which would be
> > using startElement) in which case, the problem would be in 
> the handler. 
> 
> I've fixed the handlers in dom/ext/reader/Sax2.py and 
> PyExpat.py to work
> properly. The startElement callback was wrong. I've also 
> commited changes
> that enable the xmlns='' attribute to work. 

Well... it seems your fix is a regression on something
Uche already changed in Sax2.py 1.11.
It was related to bug #446436.

> All of this works if feature_namspace is false for now. I'll 
> now check the
> case where feature_namespace is true. 
> 

I've written a unittest that embodies my best understanding
of this issue. I send it to you (not sure if it's ok to
post attachments to the list - I can send it if anyone is
interested).

-sbi