single-line loops.

  def f(a):
    if a:
      print 5
    else:
      pass

This fixes a problem that math.sqrt(-1) doesn't raise math.error.

Fixes SF Bug #850981

It's possible to create insane datetime objects by using the constructor
"backdoor" inserted for fast unpickling.  Doing extensive range checking
would eliminate the backdoor's purpose (speed), but at least a little
checking can stop honest mistakes.

Bugfix candidate.

when keep_blank_values is true.

off a new compiler wng under MSVC6).

the newly created tuples, but tuples added in the freelist are now cleared in
tupledealloc already (which is very cheap, because we are already
Py_XDECREF'ing all elements anyway).

Python should have a standard Py_ZAP macro like ZAP in pystate.c.

Fixes SF Bug #773356

[Part of patch #909005] Repeating exception changed from 'raise socket.error, why' to just raise.  Make use of connect_ex() raise socket.error with 2-tuple instead of just error code

(Reported by Matthias Klose)

Removed the entire __name__ == '__main__' block.

Modified string.split documentation to reflect behaviour of splitting emtpy string.  Closes SF bug #811604

NULL in case of error, but the functions are declared to return int.
MSVC 6 properly complains about that.  Return -1 on error instead.