The next two lines are for formatting purposes only. They make the output easier for a human being to read.
接下来两行的目的是格式化，使输出更适合人类阅读。
In this third article in the series, you learned about two modules that can really add richness to your application, and make it blur the lines between a desktop application and a Web application.
通过这个jQuery系列的第三篇文章，您接触到了另外两个模块，利用它们能为应用程序真正添加丰富性，并进一步模糊桌面应用程序和Web应用程序间界限。
The plug-in also lists the file and line where the error occurred (though it might be off by a line or two, so make sure to review the lines before and after the problem as well).
该插件还列出发生错误的文件和行（而错误可能不止一行或两行，因此还请务必查阅问题前后的那些行）。
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