New submission from Ernest N. Mamikonyan <ernest.mamikon...@gmail.com>:

The nargs='?' option should probably follow the getopt_long(1) convention and 
only consume an (optional) argument if it's in the same argv element, i.e., 
without a space. Otherwise, it can only be given as the last option on the 
command-line. For example, in

./prog -a ARG1 ARG2

ARG1 should not be considered an optional argument to -a, but here, it should:

./prog -aARG1 ARG2

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue14449>
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