虽然元素没有内建的快捷函数，代码也创建了其中的一个。
With no built-in shortcut for elements, the code creates one of those as well.
如果系统缺少pcre，打包后的代码可以使构建变得简单快捷。
If your system lacks PCRE, the bundled code makes the build quick and easy.
这一章中涉及到一些能让你更快捷地编写和浏览代码的提示和技巧。
This chapter covers some of the tips and tricks you can use to write and navigate through your code much more quickly than before.
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