Reviewed by Georg Brandl.

Reviewed by Georg Brandl.

reverting r88395 and r88387 as per http://mail.python.org/pipermail/python-dev/2011-February/108005.html

In different occasions close() might be called more than once, causing problems with already disconnected sockets/dispatchers.

Fixed issue11082 - Reject str for POST data with a TypeError. Document the need to explicitly encode to bytes when using urlencode.

Patch by SilentGhost.

OS X installers now includes a link to the installed documentation
plus another in the framework share/doc directory.

OS X installers no longer includes an Extras directory.  The Tools
directory is now installed in the framework under share/doc.

Issue 10971: Make test_zipimport_support once again compatible with refleak hunting (reviewed by Georg Brandl)

[commit during RC with Brett's approval]

The absolute_import statement got moved to a new Python 2.5 and Newer section
as it was available since then. The division statement got moved to Common
Gotchas since it has been around for so long that any modern Python program can
use it.

happens when the end exits before the beginning.

in the limited ABI