[docs] [issue42870] Document changed argparse output wrt optional arguments in What's new in Python 3.10

Guido van Rossum <guido@python.org> added the comment: New changeset fb35fa49d192368e94ffec09c092260ed0fea2e1 by Tomáš Hrnčiar in branch 'master': bpo-42870: Document change in argparse help output. (GH-24190) https://github.com/python/cpython/commit/fb35fa49d192368e94ffec09c092260ed0f... ---------- _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue42870> _______________________________________