Fix text about int() with octal numbers. Closes #21212.
Fix faq example with division.
#21169: add comment and doc update for getpass change.
Issue #20624: Exception docs wording tweak - clarify that it's okay to inherit from a subclass of Exception.
Issue 20968. unittest.mock.MagicMock now supports division
Merge
disallow a negative idx parameter
merge 3.2
merge 3.3
Issue #12546: Allow \x00 as a fill character for builtin type __format__ methods.
fix poor spelling
merge 3.2
merge 3.3
Issue #7776: Fix ``Host:'' header and reconnection when using http.client.HTTPConnection.set_tunnel().

Patch by Nikolaus Rath.
do not generate pipe names in the temporary dir
#18518: mention that including a return statement changes/breaks the behaviour
Fix the NEWS Entry item. (Thanks Stéphane Wirtel)
#15104: improve the discussion of __main__.

Patch by Sam Lucidi.
Issue 17826. Setting an iterable side_effect on a mock created by create_autospec now works
Add conditional code for android's lack of definition of SYS_getdent64.
Fixes issue20307.  No Misc/NEWS entry because frankly this is an
esoteric platform for anyone to be figuring out how to cross compile
CPython for.