FreeBSD/doc 44d4582 (r52749)ja_JP.eucJP/htdocs about.xml

- Merge the following from the English version:

        r51392 -> r52748        head/ja_JP.eucJP/htdocs/about.xml
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+2-3ja_JP.eucJP/htdocs/about.xml
+2-31 files

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