Move the clear to *before* the first use, not after.

4000 didn't work either.  1000 does work on Windows.  If 2000 works,
that will hopefully be a reasonable balance.

crashes on Windows are really due to the stack size or possibly
some other problem.

Windows and some other boxes.  If this is successful, this rev should
be backported.  I'm not sure how close to the limit we should push this.

accessing the message attribute instead of using the descriptor.

Python 2.5.

Also remove gopher support from urllib/urllib2.  As both imported gopherlib the
usage of the support would have raised a DeprecationWarning.

lack of an infinite recursion check.

Contributed by Damien Miller at Google.

Add what looks like a necessary call to PyErr_NoMemory() when PyMem_MALLOC()
fails.

Will backport.

the traceback inadvertently or maliciously closing the comment and
injecting HTML into the error page.

or earlier.  http://www.freebsd.org/releases/index.html

Hopefully Guido won't shed a tear. :-)

 (backport)