$Idaemons: /home/cvs/rb/generator.rb,v 1.8 2001/10/03 08:54:32 knu Exp $ $RoughId: generator.rb,v 1.10 2003/10/14 19:36:58 knu Exp $ $Id: generator.rb 11708 2007-02-12 23:01:19Z shyouhei $