Another advantage of using XML editors is that they have context-oriented options, such as the tree view which enables a user to traverse the various nodes of an XML document easily.
使用XML编辑器的另一个优点是，它们具有面向上下文的选项，比如树视图，它让用户可以轻松地遍历XML文档的各个节点。
A zipper's enumeration functions allow you to traverse the entire tree in depth-first order, as shown in Figure 11.
zippers的枚举函数允许您按照深度优先的顺序遍历整个树，如图11所示。
Our challenge now is to take a tree of Clojure maps and traverse or manipulate it.
我们现在的挑战在于获得一个Clojure map树，并遍历或操作该树。
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