functions on platforms where the underlying system calls are available.

calling __import__.  This helps make the expected search locations for encoding
modules be more explicit.

One could use an explicit value for __path__ when making the call to __import__
to force the exact location searched for encodings.  This would give the most
strict search path possible if one is worried about malicious code being
imported.  The unfortunate side-effect of that is that if __path__ was modified
on 'encodings' on purpose in a safe way it would not be picked up in future
__import__ calls.

Buildbot.

whether to rerun libffi configure.

gzip header.

filename attribute is still accessible as a property that emits a
DeprecationWarning.

Will backport.

Will backport to 2.5.

Fixes #1514451.

Will backport.

(The line has no effect anyway, but is present because it's
customary call the base class __init__).

Fixes #847665. Will backport.

at position 0.

is specified at the top of the file.  Also add a note that Python/Python-ast.c
needs to be committed separately after a change to the AST grammar to capture
the revision number of the change (which is what __version__ is set to).

r53731).

definition.

lib/python/config, on "linux" and "gnu" systems.
Will backport.

Will backport.

mouse and cursor selection in ACWindow implemented; double Tab inserts current
selection and closes ACW (similar to double-click and Return); scroll wheel now
works in ACW.  Added AutoComplete instructions to IDLE Help.