changes (and there were a lot of relevant changes!).

This gives much the same treatment to datetime.fromtimestamp(stamp, tz) as
the last batch of checkins gave to datetime.now(tz):  do "the obvious"
thing with the tz argument instead of a senseless thing.

Removing locking are findCaller() calls as the implementation using
sys._getframe() is thread-safe.

Changes reviewed by Vinay.

The test no longer produces output with \r\n in it.

checked in two days agao:

Refactoring of, and new rules for, dt.astimezone(tz).

dt must be aware now, and tz.utcoffset() and tz.dst() must not return None.
The old dt.astimezone(None) no longer works to change an aware datetime
into a naive datetime; use dt.replace(tzinfo=None) instead.

The tzinfo base class now supplies a new fromutc(self, dt) method, and
datetime.astimezone(tz) invokes tz.fromutc().  The default implementation
of fromutc() reproduces the same results as the old astimezone()
implementation, but tzinfo subclasses can override fromutc() if the
default implementation isn't strong enough to get the correct results
in all cases (for example, this may be necessary if a tzinfo subclass
models a time zone whose "standard offset" (wrt UTC) changed in some
year(s), or in some variations of double-daylight time -- the creativity
of time zone politics can't be captured in a single default implementation).

Return booleans from _tkinter.getboolean.
Convert booleans to Tcl booleans in AsObj.

tzinfo.fromutc() method.  The C code doesn't implement any of this
yet (well, not the C code on the machine I'm using now), nor does
the test suite reflect it.  The Python datetime.py implementation and
test suite in the sandbox do match these doc changes.  The C
implementation probably won't catch up before Thursday (Wednesday is
a scheduled "black hole" day this week <0.4 wink>).

Sebastien Keim pointed out that iterkeys and __contains__ require
their own definitions so their behavior will update when the
underlying method is subclassed.

consistent with the Edit/Shell windows.

M PyShell.py
M config-keys.def
M configHandler.py

1. Clear any un-entered characters from input line before printing the
   restart boundary.
2. Restore the Debug menu: There are now both Shell and Debug menus.
3. Add Control-F6 keybinding to Restart Shell.
4. Clarify PyShell.cancel_check() comment.
5. Update doc string for Bindings.py and re-format the file slightly.

it, so disable the build for now.

tzinfo dst() should return timedelta(0) if DST is not effect, not 0.

dialogs.

filenames.

help.

60: Added support for the SkippedEntityHandler, new in Expat 1.95.4.
61: Added support for namespace prefixes, which can be enabled by setting the
    "namespace_prefixes" attribute on the parser object.
65: Disable profiling changes for Python 2.0 and 2.1.
66: Update pyexpat to export the Expat 1.95.5 XML_GetFeatureList()
    information, and tighten up a type declaration now that Expat is using
    an incomplete type rather than a void * for the XML_Parser type.
67: Clarified a comment.
    Added support for XML_UseForeignDTD(), new in Expat 1.95.5.
68: Refactor to avoid partial duplication of the code to construct an
    ExpatError instance, and actually conform to the API for the exception
    instance as well.
69: Remove some spurious trailing whitespace.
    Add a special external-entity-ref handler that gets installed once a
    handler has raised a Python exception; this can cancel actual parsing
    earlier if there's an external entity reference in the input data
    after the the Python excpetion has been raised.
70: Untabify APPEND.
71: Backport PyMODINIT_FUNC for 2.2 and earlier.

   (Loewis) which uses 'SRCDIR' (if available) in package dir path.
2. Merge Python IDLE setup.py Rev 1.5 (Loewis) to allow installation
   from the build directory. IDLEfork SF Patch 668998 (Loewis)

* promote the example and the documented restrictions to \subsection status
* document the flag parameter of the DbfilenameShelf class

When daylight time ends, an hour repeats on the local clock (for example,
in US Eastern, the clock jumps from 1:59 back to 1:00 again).  Times in
the repeated hour are ambiguous.  A tzinfo subclass that wants to play
with astimezone() needs to treat times in the repeated hour as being
standard time.  astimezone() previously required that such times be
treated as daylight time.  There seems no killer argument either way,
but Guido wants the standard-time version, and it does seem easier the
new way to code both American (local-time based) and European (UTC-based)
switch rules, and the astimezone() implementation is simpler.

was broken because new-in-2.3 code added a tp_as_mapping slot to tuples.
Repaired that.

Added basic docs to check_recursion().

The code that intended to exempt tuples and strings was also broken here,
and in 2.2:  these should use PyXYZ_CheckExact(), not PyXYZ_Check() -- we
can't know whether subclass instances are immutable.  This part (and this
part alone) is a bugfix candidate.