Fix a crash if Python is compiled in pydebug mode.

os.environ.data was a str dict in Python 3.1. In Python 3.2 on UNIX/BSD,
os.environ.data is now a bytes dict: mark it as protected to avoid confusion.

environment variable to set the filesystem encoding at Python startup.
sys.setfilesystemencoding() creates inconsistencies because it is unable to
reencode all filenames in all objects.

namespace if it occurs as a free variable in a nested block.  This limitation
of the compiler has been lifted, and a new opcode introduced (DELETE_DEREF).

This sample was valid in 2.6, but fails to compile in 3.x without this change::

   >>> def f():
   ...     def print_error():
   ...        print(e)
   ...     try:
   ...        something
   ...     except Exception as e:
   ...        print_error()
   ...        # implicit "del e" here


This sample has always been invalid in Python, and now works::

   >>> def outer(x):
   ...     def inner():
   ...        return x
   ...     inner()
   ...     del x

There is no need to bump the PYC magic number: the new opcode is used
for code that did not compile before.

Use it here again.

be built as a shared library.  Patch by Sébastien Sablé.

nested inside the test suite.

def test_me():
    exec("""if 1:
        ...code...
        """)

No other change here.

(Patch by Jon Anglin)

a single `\UXXXXXXXX`, regardless of whether the character is printable
or not.  Also, the "backslashreplace" error handler now joins surrogate
pairs into a single character on UCS-2 builds.

speedups up to 4x (depending on the benchmark).  Mostly ported from
Unladen Swallow; initial patch by Alexandre Vassalotti.

(svn.python.org is sometimes unavailable)

underlying buffer (previously this was only done when deallocating the
memoryview), and gain support for the context management protocol.

Experiment: Let collections.namedtuple() do the work.  This should work now that _collections is pre-built.  The buildbots will tell us shortly.

* pythoncore.vcproj: Fixed indentation
* _multiprocessing.vcproj: Converted ProjectGUID to uppercase. Otherwise,
  VS8 _multiprocessing.vcproj created by vs9to8.py was modified every time
  loads it in VS8 IDE.

* pythoncore.dsp: updated project file
* readme.txt: removed dead link
* tcl852.patch: fixed patch. it was doubled.

Fix issue 9794: adds context manager protocol to socket.socket so that socket.create_connection() can be used with the 'with' statement.

a bug in ascii().

(followup to r84635, suggested by Dave Malcolm).

as wide (UCS4) unicode builds for both the host interpreter (embedded
inside gdb) and the interpreter under test.