Issue #13107: argparse and optparse no longer raises an exception when output

a help on environment with too small COLUMNS.  Based on patch by
Elazar Gershuni.

diff --cc Lib/argparse.py
Simple merge

diff --cc Lib/test/test_argparse.py
Simple merge

diff --cc Lib/test/test_optparse.py
Simple merge

diff --cc Misc/NEWS
Simple merge