目录前言举例说明钩子的简单实现代码钩子核心类编程客栈Hook.php：简单的插件demo：插件实现的地方，即上文的注册的文件：入口文件index.php运行接口如下：总结现在主流的cms或者blog等系统中，都内置的有插件系统，
I have two versions of a piece of text and I want to produce an HTML view of its revision similar to what Google Docs or Stack Overflow displays.I need to do this in Python.I don\'t know what this tec
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