扩展名为. css的文件是级联样式表，扩展名为. xml的文件是示例xml文档，可以使用前缀相同的css来显示。

Files with the.css extension are Cascading Stylesheets, and files with the.xml extension are sample XML documents that you can display using the CSS of the same prefix.

youdao

事实上，那就是菜单级联使用“soln”前缀的原因-这样您就可以分辨出它是一个扩展！

In fact, that's why the menu cascade is prefixed with "soln," so you can tell it's an extension.

youdao

说明这个扩展函数是如何使用名称空间前缀调用的(见本例的xslext)。

Note how the extension function is called using the namespace prefix (xslext in this example).

youdao