[docs] [issue29770] Executable help output (--help) at commandline is wrong for option -B

[Xiang Zhang]

Changes by Xiang Zhang <angwerzx at 126.com>:


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resolution:  -> fixed
stage:  -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29770>
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