xml.parsers.expat vs. xml.sax

[Thomas Guettler]

Hi!

What are the difference between xml.parsers.expat
and xml.sax?

Up to now I used xml.sax.make_parser and subclass
from ContentHandler.

I think xml.sax.make_parser uses expat as default.
Why should I want to use xml.parsers.expat?

 Regards,
  Thomas