The wiring of the document Viewer widget to the upper Content List widget is an example of using the default wiring behavior.
文档Viewer小部件和顶端的Content List小部件之间的连接是使用默认连接行为的一个例子。
A document viewer or editor (such as a word processor) probably needs to ensure that viewing the data won't make the program run arbitrary commands.
文档查看器或编辑器(如字处理器)可能需要确保查看数据不会使程序运行任意命令。
Unlike binary formats, it is not out of the question to open an XML document in a text editor or text viewer.
与二进制格式不同,在文本编辑器或文本查看器中打开XML文档也不是不可能。
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