line defines how the entries in the index are composed. To change the appearance of an entry you can enter codes or text in the empty boxes on this line. You can also click in an empty box or on a code, and then click a code button.
行定义索引中的条目如何组成。要更改某个条目的外观，您可以在此行的空白框中输入代码或者文本。也可以在空白框中或在代码上单击，然后单击代码按钮。