[docs] [issue9811] strftime strips '%' from unknown format codes on OS X

[Marc-Andre Lemburg]

Marc-Andre Lemburg <mal at egenix.com> added the comment:

Santoso Wijaya wrote:
> 
> Santoso Wijaya <santoso.wijaya at gmail.com> added the comment:
> 
> `strftime` does not, indeed, seem to define what behaviour it is supposed to do when given non-supported format characters. Under Windows, in fact, it will crash the runtime (see: issue #10762).

According to POSIX, it is defined to be undefined:

"""
       If a conversion specification does not correspond to any of  the  above,  the
       behavior is undefined.
"""

Of course, crashing the runtime is not a good way to interpret this ;-)

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nosy: +lemburg

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<http://bugs.python.org/issue9811>
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