Because strings are immutable, this approach means a new string will be constructed each time through the loop, with the data copied from the old string and a single character added at the end.
因为字符串是不可变的,所以这种方式意味着每次循环时会构建一个新的字符串,从老的字符串拷贝数据并在最后增加一个字符。
If the character completes a word, the editor determines whether that word should be added to the index.
如果该字符完成了一个单词,编辑程序决定是否将该词添加到索引中。
Further keyboard mappings for other character sets can be added.
还可以增加针对其他字符集的键盘映射。
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