2007-04-09 シフトJISの生まれた歴史的背景 http://furukawablog.spaces.live.com/Blog/cns!1pmWgsL289nm7Shn7cS0jHzA!2225.ent http://furukawablog.spaces.live.com/Blog/cns!156823E649BD3714!6054.entry