io/console: 0.4.2
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39272 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
io/console: 0.4.2
requires ruby 1.9.3 or later. [Bug #7847]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39272 b2dd03c8-39d4-4d8f-98ff-823fe69b080e