[XML-SIG] PyExpat changes

[A.M. Kuchling]

I've just checked in the changes to make the Expat module return
Unicode or 8-bit strings, depending on the setting of the
returns_unicode attribute.  Adding this proved to be messy; if anyone
can suggest a neater way to do this, please let me know.  Basically,
the relevant calls to Py_BuildValue("s") become calls with "O&",
returns_unicode ? <function that makes a Unicode string> : <function
that makes an 8-bit string>.  Worse, creating the dictionary
containing attributes requires two very similar parallel functions for
each case. 

Also, I'm starting to find the capitalized method and attribute names
.Parse, .StartElementHandler) annoying; the methods are more annoying
than the attribute names.  Think this is worth fixing?

-- 
A.M. Kuchling			http://starship.python.net/crew/amk/
That's the world as Sutekh would leave it: a desolate planet circling a dead
sun.
  -- The Doctor, in "The Pyramids of Mars"