Issue #17376: Clarified documentation for TimedRotatingFileHandler weekday rotation.
Issue #17332: fix json doc typo /convered/converted/ found by Ernie Hershey.
Issue #17375:  Add docstrings to the threading module.
Add warning in ctypes documentation for #16575 and #16576
#11963: avoid printing messages in test_parser.  Initial patch by ?ric Araujo.