Hi, The Ruby Documentation Project(trial) makes RD documentations that has been undocumented or has been un-RDized in the Ruby standard library and other useful libraries. RD can be converted to HTML by RDtool. We write documents using MethodLists on RD. http://www.oishi.info.waseda.ac.jp/~takashi/rubikitch/RDP-en.html Regards, -- rubikitch