起先，查找并替换看起来是个不错的开始，但是程序中的名字通常是处于一个上下文中的，理解这一点非常重要。
At the first look search and replace seems to be a good approach to start, but the names in a program are always in a context, which is very important to understand.
前两种方法非常不错，采用了智能应用程序实现自主计算的思想。
The first two ideas are great ones and are a smart application of autonomic-computing ideas.
能够重用SAX处理程序是非常不错的，但其代码稍微有些复杂。
Being able to reuse SAX handler is great, but it is a somewhat complicated piece of code.
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