一个更深层次的结构性问题是，日本人为了每15年重修房子而存钱的方式。
A further structural problem is the way the Japanese save in order to rebuild their homes every 15 years or so.
实际应用中，当 XML 内容（而不是 格式或结构）出现了意想不到的问题就会报告一个错误。
In practice, an error is reported when something goes wrong that has to do with content, usually unexpected, but not with the structure or well-formedness of an XML document.
如果您需要编写这种代码，就可能会碰到可移植性的问题；您应该开发一个具有单独标记的结构，并使用这些结构，而不是使用指针。
If you need to write code like this, you are in trouble for portability; you should probably develop a structure with separate flags, and use these instead of Pointers.
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