[docs] [issue16863] Argparse tutorial outdated

New submission from Charlie Dimino: http://docs.python.org/2/howto/argparse.html Error message in the first example is outdated, may indicate further out of date information on page. Example: The tutorial says: prog.py: error: the following arguments are required: echo When the actual error received is: prog.py: error: too few arguments ---------- assignee: docs@python components: Documentation messages: 179041 nosy: Charlie.Dimino, docs@python priority: normal severity: normal status: open title: Argparse tutorial outdated versions: Python 2.7 _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue16863> _______________________________________