[issue44986] Date formats in help messages of argparse

[Julian Berman]

Julian Berman <Julian+Python.org at GrayVines.com> added the comment:

This is documented already I believe:

https://docs.python.org/3/library/argparse.html#help

> As the help string supports %-formatting, if you want a literal % to appear in the help string, you must escape it as %%.

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nosy: +Julian

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