N_LBRAC - left bracket, start of a function.

N_LBRAC是左括号，即函数的开始部分。

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N_RBRAC - right bracket, end of a function.

N_RBRAC是右括号，即函数的结束部分。

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A typical example is that prior to version 1.5, the code coloring was incorrect for a function-call inside a string when the closing bracket was placed on a new line.

举个典型的例子，1.5版前，在字符串中，当函数调用的结束括号另起一行时，代码颜色显示会不正确。

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f Well, call toupper pass this lowercase F F to this function called toupper it's going to return capital F and so what do I assign to s2 bracket zero?

调用toupper函数，传递这个小写,然后返回的是大写的,那么我对s2【0】赋值多少？

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