http://www.machu.jp/diary/20090307.html#p01
http://www.machu.jp/diary/20090308.html#p01
http://www.machu.jp/diary/20090309.html#p01
http://www.tamacom.com/global-j.html
http://xyzzy.g-artistic.net/2005/08/04/xyzzy-gnu-global-gtags/
http://xyzzy.s53.xrea.com/wiki/index.php?xyzzy%A4%C7%A5%D7%A5%ED%A5%B0%A5%E9%A5%DF%A5%F3%A5%B0%2F%A5%B8%A5%E3%A5%F3%A5%D7