有了协议文档和大量空闲时间，您可以从理论上编写一个与服务器通信的全新实现。
Given protocol documentation and a whole lot of free time, you could in theory write an entirely new implementation that would communicate with the server.
也允许测试人员评估非文档化的协议。
It also allows the tester to assess non-documented agreements.
每种新的协议、应用程序和文档都应该使用UTF - 8。
Every new protocol, application, and document should use UTF-8.
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