Is the explanation of the 'stacklevel' parameter clear?  Please feel free
to edit it.

I don't have LaTeX installed on this machine, so haven't verified that the
markup is correct.  Will check tonight, or maybe the automatic doc build will
tell me.

warning on Windows.

Afraid I can't detect a pattern to when the pack formats decide
to use a signed or unsigned format code -- appears nearly
arbitrary to my eyes.  So I left all the pack formats alone and
changed the special-case data values instead.

warnings on Win32.

Also added an XXX about the line:

                pos3 = self.fp.tell()

`pos3` is never referenced, and I have no idea what the code
intended to do instead.

and may need to be reverted if it causes problems.

Fixes #1439538
Will backport to 2.4
Also regenerate pyconfig.h.in.

Fixes #1257728.

no longer maintained separatedly.

Fixes #1525866.

refers to file descriptors, not file objects.

Pass the char* and size around rather than PyObject's.

This provides the proper warning for struct.pack().
PyErr_Warn() is now deprecated in favor of PyErr_WarnEx().
As mentioned by Tim Peters on python-dev.

Also fix a SystemError when trying to assign to yield expressions.

- fix an internal section reference

it is hard to know whether this is right, and it does not add valuable reference information
at any rate