这对源代码工具来说至关重要，因为虽然纯粹的语法树结构信息也很有用，但是如果工具无法了解节点在源码中的位置，它就不能对源码进行修改。
This is crucial for source tools - pure structural information is useful, but if the tool doesn't know where a node is, it can't modify it in the file.
车牌识别程序源码，很有用的！我也是从网上下载下来的，不过我自已做了些修改！
Car license recognizer source code, very useful! I also am from on-line download, but I from have made a revision!
这款编辑器提供了一个很不错的调试器，当你需要自定义插件时，或直接修改编辑器的源码时会很有用的。
The editor brings you a nice tool that helps you debug your code when customizing it to your needs through plugins or direct changes in the source code.
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