回复：版本 0.3.9 rc1，请测试
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引用自：jgarzik，2010 年 8 月 15 日 05:46:27 PM
扩展帮助也许是基于我的想法，但代码有些不同。
想法才是主要部分。你发布补丁时，我意识到应该用那种方式来做，而不是用 "-?"。我一直对 "-?" 有顾虑，因为它侵占了可能的参数值，而且帮助响应取决于调用方的版本，而不是服务器的版本。
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Quote from: jgarzik on August 15, 2010, 05:46:27 PM
the extended-help might have been based on my idea, but the code was somewhat different.
The idea was the main part. When you posted your patch, I realized it should have been done that way instead of "-?". I always had reservations about "-?" because it intrudes on the possible parameter values, and the help response is based on the version of the caller instead of the server.