Close #18754: Run Python child processes in isolated more in the test suite.
Fix wrong exception in _bootlocale (apparently this error condition is never triggered)
Issue #19205: _osx_support uses the re module all over the place. Omit the test for nw.
#19221: update whatsnew entry about UCD version.
Issue #19131: The aifc module now correctly reads and writes sampwidth of
compressed streams.
Issue #19131: The aifc module now correctly reads and writes sampwidth of
compressed streams.
Closes #13203: add a FAQ section about seemingly duplicate id()s.
merge with 3.3
Closes #19179: make table of XML vulnerabilities clearer by using "everyday" booleans and explaining the table beforehand.
merge with 3.3
Closes #13026: fix documentation of MAKE_FUNCTION for 3.x.
merge with 3.3
Closes #13833: document PyStructSequence C-API functions.
merge with 3.3
Closes #13915: update tutorial with respect to .pyc files (__pycache__ / PEP 3147).

Initial wording proposed by John Roth.
merge with 3.3
Introduce support for documenting which C API elements are not part of the stable/limited API.
merge with 3.3
Issue #18919: If the close() method of a writer in the sunau or wave module
failed, second invocation of close() and destructor no more raise an
exception.
Null merge