git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20428 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* man/goruby.1: new file. * instruby.rb (:man): followed ruby.1. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19937 b2dd03c8-39d4-4d8f-98ff-823fe69b080e