quick lookup the Ruby reference manual. == REQUIREMENT == - Ruby Reference Manual (http://doc.loveruby.net/) - Vim is compiled with Ruby (configured with --enable-rubyinterp) == INSTALL == 1. prepare the reference manual: - download a copy of reference manual package. - apply bitclust.patch in the top directory of unpacked manual: % cd ruby-refm-1.9.0-dynamic % patch -p0 < /tmp/refe2-vim/bitclust.