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Issue #13685 - Update argparse help message for % sign usage.

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Senthil Kumaran 2012-06-26 14:17:19 +08:00
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Doc/library/argparse.rst
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@ -1082,6 +1082,9 @@ specifiers include the program name, ``%(prog)s`` and most keyword arguments to
optional arguments:
-h, --help show this help message and exit
As the help string supports %-formatting, if you want a literal ``%`` to appear
in the help string, you must escape it as ``%%``.
:mod:`argparse` supports silencing the help entry for certain options, by
setting the ``help`` value to ``argparse.SUPPRESS``::