Rewrite introductory section, and remove old section.  (It was already commented-out, but why keep it?)

e-mail address is for a previous employer.

Can we move the big long copyright statement into a sidebar or something?

undefined in ANSI C.

http://farmdev.com/thoughts/24/what-does-the-def-star-variable-or-def-asterisk-parameter-syntax-do-in-python-/

The right entry type to use isn't clear; operator seems wrong, because *,**,@
aren't being used in expressions here.  I put them as 'statement'; 'syntax'
might be better.

Issue 2439: add pkgutils.get_data() as a convenience wrapper for the PEP 302 get_data() API (contributed by Paul Moore)

Some other minor updates in _warnings.c:
- make a function static
- rename a shadowing local variable

better performance.

number of splits.

Windows.

when it is run.