Issue #23654: Turn off ICC's tail call optimization for the stack_overflow
generator. ICC turns the recursive tail call into a loop.

Patch written by Matt Frank.

GzipFile corruption.  Original patch by Wolfgang Maier.

unnecessary copying of memoryview in gzip.GzipFile.write().
Original patch by Wolfgang Maier.

Issue 23729:  Document ElementTree namespace handling and fix an omission in the XPATH predicate table.

Some http servers will reject PUT, POST, and PATCH requests if they
do not have a Content-Length header.

Patch by James Rutherford, with additional cleaning up of the
'request' documentation by me.

As a result, explicitly support pathlib.Path objects as arguments.
Also added tests for the CLI interface.

Patch by Mike Short.

raising TypeError when statically allocated type subclasses dynamically
allocated type

which returned an invalid result (result+error or no result without error) in
the exception message.

Add also unit test to check that the exception contains the name of the
function.

Special case: the final _PyEval_EvalFrameEx() check doesn't mention the
function since it didn't execute a single function but a whole frame.

and socket open until the garbage collector cleans them up.  Patch by
Martin Panter.

and socket open until the garbage collector cleans them up.  Patch by
Martin Panter.

official POSIX documentation.  Updated the documenttion for Python 3.
Patch by Alex Shkop.

Being able to read non-python text files is not a purpose of linecache, but it
does work and people use it.  This changeset adjusts the language to make it
clear that Python files are not treated uniquely, but does not go so far as to
say reading non-python files is explicitly supported.