Issue #22251: Fix ReST markup to avoid errors building docs.

diff --cc Doc/library/argparse.rst
Simple merge

diff --cc Doc/library/logging.handlers.rst
Simple merge

diff --cc Doc/library/multiprocessing.rst
Simple merge

diff --cc Doc/library/os.rst
Simple merge

diff --cc Doc/library/pathlib.rst
Simple merge

diff --cc Doc/library/ssl.rst
Simple merge