I made [a pull request](https://github.com/ruby/ruby/pull/1925) to fix [a typo 'grammer'](https://github.com/ruby/ruby/blob/f945ea86d84f30772f2af5134626e9ca613dd9d7/lib/rdoc/rd/inline_parser.rb#L5) and found that the typo came from racc 1.4.14. Do you have any plans to release next versions soon?