对于键入的每一个字符，CDT编辑器都会执行繁多的任务。

With each character you enter, the CDT editor performs a bewildering number of tasks.

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不是每一个字符串都是合法的rexx符号——为限制程序库中的关键字——但是相对于大部分语言，Rexx在符号命名方面非常自由。

Not every string is valid Rexx symbol — which restricts the keys in the dictionary — but Rexx is pretty liberal about its symbol names, compared to most languages. E.g.

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