Delta assists users in minimizing "interesting" files, subject to a test of their "interestingness". A common such situation is when attempting to isolate a small failure-inducing substring of a large input that causes a program to exhibit a bug.
Delta帮助用户最小化“感兴趣”的文件,属于对它们的“兴趣度”的测试。一个通用的这样的例子是当试图从一个大型输入中分离一个小型的包含错误的子字符串,这个字符串导致程序出错。
来源:http://freshmeat.net/projects/delta/?topic_id=863%2C849