[docs] [issue27992] Clarify %(prog)s in argparse help formatter returns basename of sys.argv[0] by default

py.user <bugzilla-mail-box@yandex.ru> added the comment: @Karthikeyan Singaravelan Thank you for the point. I added a new patch. ---------- Added file: https://bugs.python.org/file48245/argparse_sys-argv-0-basename.diff _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue27992> _______________________________________