注意，这些滚动条仅出现在扩展 Container 类的容器上。

Note that these scroll bars appear only for those containers that extend the Container class.

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例如，我们可能想定义泛型scrollpane类，它引用普通的带有滚动条功能的Pane。

For example, we may want to define a generic ScrollPane class that keeps a reference to an ordinary Pane that it decorates with scrolling functionality.

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它对 Python 支持得比较好的是缩排、块缩进/取消缩进、类/函数浏览器（它隐藏于水平滚动条之后）。

It does have good Python awareness in indentation behavior, block indent/dedent, class/function browser (this hidden next to the horizontal scroll bar).

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