Reported by Axel Luttgens.

urllib.request will prefer lower_case proxy environment variables over
UPPER_CASE or Mixed_Case ones.

differing items.  This affects assertListEqual() and assertTupleEqual().

silently ignore keyword arguments.

Patches by Jonas Wagner and Xavier de Gaye.

Issue #26799: Fix python-gdb.py: don't get C types once when the Python code is
loaded, but get C types on demand. The C types can change if python-gdb.py is
loaded before the Python executable. Patch written by Thomas Ilsche.

Based on patch by Philipp Hagemeister.  This fixes a regression caused by
revision 6b314f5c9404.

Based on patch by Hagen Fürstenau.

It was printed UserWarning output because catch_warnings() was missing
record=True.

Disable inappropriate links to Python interpreter options. Also make CLI
section label in timeit less ambiguous.

This affects documentation and code comments.

Patch by Nan Wu.

NOTE: A direct call of super.__init__ is not endorsed!

Based on patch by Xiang Zhang.

Closes #25910: fix dead and permanently redirected links in the docs. Thanks to SilentGhost for the patch.

in places where Py_DECREF was used.

ignore errors from a __int__() method.

Patch based on the patch for issue #15516.

This eliminates a few redundant test cases.