本文讨论了如何定制用户界面元素(比如欢迎页、登录页和重定向页)，以及如何向动作栏中添加动作。
The article discussed how to customize user-interface elements (such as the welcome, login, and redirection pages), and how to add actions to the action bar.
有的开发人员和Web主机不把用户定向到404出错页，相反，却重定向到临时或永久的重定向页面。
Some developers and Web hosts instead redirect users to the 404 error page with a temporary or permanent redirect.
如果输出流是标准输出，并且被重定向至一个文件，则选定的页将在该文件中。
If the output stream was stdout, and if it was redirected to a file, the selected pages will be in that file.
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