Use a diff tool to review the changes.
用一个差异比较工具来评估变更。
This file is typically created with the diff utility, and is called a diff.
这个文件通常是使用diff工具创建的,因此就称为diff文件。
Never checkin your changes without giving them a quick review in some sort of a diff tool.
一定不要在没有通过任何比较工具进行一个快速回顾前就签入你的变更。
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