For example, using the document-literal encoding imposes wrapped versions of each method class, and that, in turn, creates additional manageability and maintainability issues.

例如，使用文档文字编码利用了每个方法类的封装版本，并造成了额外的可管理性与可维护性的问题。

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In following the Open Closed Principle, I want to be able to write a class or a method and then turn my back on it, comfortable that it does its job and I won't have to go back and change it.

在遵循开闭原则的过程中，我期望能够写出一个类或者方法，在以后我回过头读它的时候，会很舒服地看到它能完成它的工作并且我也不需要再修改它。

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This class in turn provides the normalize method, which you can use to convert a string to a normalized composed or decomposed form.

这个类反过来又提供了normalize方法，可用来将一个字符串转变为一个规范化了的组合或分解格式。

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