使用text伪函数进行文本节点搜索。

Text node search using the text pseudo-function.

youdao

在真正着手构建函数之前，让我们先来看看关于伪代码的一些简单却重要的要点。

Before building a real function, let's review several points about the pseudocode that are important, but easy to overlook.

youdao

另一个小型支持函数仅仅从(伪)xpath表达式中解析出索引值，这里就不再重复了。

Another small support function simply parses out index values if they are given within a (pseudo -) XPath. I will not bother reproducing that here.

youdao