This is a Qt extension library for Ruby (http://www.ruby-lang.org/) developed with SWIG (http://www.swig.org/) and Ruby module for SWIG (swigruby; www.goto.info.waseda.ac.jp/~fukusima/ruby/swig-j.html). Qt extension library for Ruby was originally included as a example of swigruby package written by the author of swigruby. The author has extended it for practical use in X window system. Author: Nobuyuki Horie WWW: http://sfns.u-shizuoka-ken.ac.jp/geneng/horie_hp/ruby/index.html