• Merge the following from the English version:

r48480 -> r48529 head/ja_JP.eucJP/books/handbook/boot/chapter.xml
r47724 -> r48529 head/ja_JP.eucJP/books/handbook/cutting-edge/chapter.xml
r48289 -> r48529 head/ja_JP.eucJP/books/handbook/desktop/chapter.xml
r48326 -> r48529 head/ja_JP.eucJP/books/handbook/introduction/chapter.xml
r48257 -> r48529 head/ja_JP.eucJP/books/handbook/multimedia/chapter.xml
r46052 -> r48529 head/ja_JP.eucJP/books/handbook/pgpkeys/chapter.xml
r48513 -> r48529 head/ja_JP.eucJP/books/handbook/x11/chapter.xml