Patch by Matt Joiner.

Patch by Matt Joiner.

These functions are not documnted, so no documentation update.

Without this fix, both 2.7 and 3.x would always point to the "current"
docs...which means that before this fix python 3.2 'help' pointed to the 2.7
tutorial.

Without this fix, both 2.7 and 3.x would always point to the "current"
docs...which means that before this fix python 3.2 'help' pointed to the 2.7
tutorial.

VS2010 defineds the old errno constants in addition to the WSA* ones.

issue #3035: update PendingDeprecationWarning to DeprectionWarning, point deprecation in tkinter doc

Patch by Sandro Tosi.

Patch by Sandro Tosi.

in libmpdec to prevent undefined behavior if an invalid context is used. This
cannot occur for the _decimal module since user input for the context is
validated.

PyFloatObjects are now allocated using PyObject_MALLOC like all other
internal types, but maintain a limited freelist of objects at hand for
performance.  This will result in more consistent memory usage by Python.

Removed the useless explanation of the Element data structure that started the
documentation page. Instead, the documentation now starts with a brief tutorial
skimming some of the capabilities of the module. The tutorial can be followed
by additional topic-specific sections (such as XPath support), and eventually
by a reference that goes over the module's classes and functions, as usual.