representations (on mips and m68k platforms).

due to possible uninitialized _config_vars.  Original patch by Alex Gaynor.

When ``None`` was passed as a ``REG_BINARY`` value to SetValueEx,
PyMem_DEL was called on an uninitialized buffer.  Patch by John Ehresman.

(Also an incidental typo fix in a comment in test_winreg)

it ignored I/O errors if at least the first C call read() succeed.

Backport of issue #16611.

The 2.7 tutorial introduction now matches the 3.x introduction as rewritten
by Ezio Melotti, with appropriate changes for 2.x.

to remove duplication and return info for tests.  Rewrite corresponding tests.
Test_create_option_buttons was not testing anything because of buggy
comparisons.  Use Python subscripting to get widget options.

moving them to the module's main function.

Patch from Vladimir Iofik.

Patch from Vladimir Iofik.

move two functions next to the functions that use them.

files closing.  Patch by Claudiu Popa.

Issue #19145:  Fix handling of negative values for a "times" keyword argument to itertools.repeat()>

(Patch contributed by Vajrasky Kok.)

fit in the default width of the text window (45 chars).

Windows was seeing the 'GET' generated by these tests as invalid and forcibly
closing the socket, causing the test to fail.

Patch by Jeff Allen.