In fact, that's really the key to error handling: Understand the system that you work with and the lower levels of that system.
实际上这就是错误处理的关键:了解所使用的系统和系统的底层。
The reason code "XUTY0008" shown in the error message quickly points you to the fact that "the target node of a replace expression is not a single node".
错误消息中显示的原因码 “XUTY0008” 表示 “替换表达式的目标节点不是单一节点”。
In fact, the error message above is incorrect; it can also be generated if an option that requires an argument does not have one.
事实上,上面的错误消息是不正确的;如果需要某个参数的选项没有参数,也会生成此消息。
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