is closed instead of fd 0. * ext/readline/readline.c (Init_readline): use STDIN for input. http://d.hatena.ne.jp/codnote/20100111/1263174134 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26300 b2dd03c8-39d4-4d8f-98ff-823fe69b080e