FreeBSD/doc 6f02cb3 (r53061)ja_JP.eucJP/books/handbook book.xml

- Merge the following from the English version:

        r52822 -> r53056        head/ja_JP.eucJP/books/handbook/book.xml
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+2-2ja_JP.eucJP/books/handbook/book.xml
+2-21 files

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