Specifies how changes in the document are displayed when text is deleted. If you record text deletions, the text is displayed with the selected attribute (for example, strikethrough) and is not deleted.
指定在文档中当文本被删除时如何显示修改。如果记录了文本删除，则文本会以选定的属性（例如删除线）显示，而不会被删除。