PyThreadState_SetAsyncExc():  internal correctness changes wrt
refcount safety and deadlock avoidance.  Also added a basic test
case (relying on ctypes) and repaired the docs.

mention that this is UCD 4.1 now.

SF bug #1112549.

since 1.2a1) Patch 1528468 Tal Einat.

directories each time it ran, at least on Windows.

Several changes:  explicitly closed all files; wrapped long
lines; stopped suppressing errors when removing a file or
directory fails (removing /shouldn't/ fail!); and changed
what appeared to be incorrect usage of os.removedirs() (that
doesn't remove empty directories at and /under/ the given
path, instead it must be given an empty leaf directory and
then deletes empty directories moving /up/ the path -- could
be that the conceptually simpler shutil.rmtree() was really
actually intended here).

internal error reporting by moving message to IDLE console.

    message claiming they were IDLE internal errors (since 1.2a1).
2.  Add Ronald Oussoren to CREDITS

M    NEWS.txt
M    PyShell.py
M    CREDITS.txt

  value is obtained by invoking hash on the long int.
Fixes #1536021.

C argument format strings; fixes rest of #1523610.

must not.

PyMapping_Size and PySequence_Size.

Because len() tries first sequence, then mapping size, it will always
raise a "non-mapping object has no len" error which is confusing.

Once I see how the buildbots react, I'll backport this to 2.4.

platforms that don't support changing thread stack size.

sys.stdin is closed.

the md5 and sha modules, so add it in Modules/Setup.dist too.