for issue #28971.

collections.namedtuple() now supports tuples with more than 255 elements.

Imporoved the documentation and tests for make_archive() and unpack_archive().
Improved error handling when corresponding compress module is not available.
Brake circular dependency between shutil and tarfile modules.

Imporoved the documentation and tests for make_archive() and unpack_archive().
Improved error handling when corresponding compress module is not available.
Brake circular dependency between shutil and tarfile modules.

Imporoved the documentation and tests for make_archive() and unpack_archive().
Improved error handling when corresponding compress module is not available.
Brake circular dependency between shutil and tarfile modules.

(grafted from 4cb3ea76ce68efd52271e499647abbf0f8a2941f)

(grafted from 418ba3a0f090ac0e17a935b7cd5a63ea8263a914)

Patch by Eric Appelt.

Patch by Eric Appelt.
(grafted from 78c8f450b84ca1864123ec487d363eb151f61a4a)

to/from UTF-8, instead of the locale encoding to avoid inconsistencies with
os.fsencode() and os.fsdecode() which are already using UTF-8.

Issue #28147: Fix a memory leak in split-table dictionaries: setattr() must not
convert combined table into split table.

Patch written by INADA Naoki.
(grafted from 85be9dcc16a81d3ccd1f67b056255a7f206edd47)