Add support for RDoc 4.0 markup parser
Add support for RDoc 4.0 markup parser

herosky/yard,amclain/yard,jreinert/yard,jreinert/yard,lsegal/yard,ohai/yard,thomthom/yard,alexdowad/yard,alexdowad/yard,iankronquist/yard,amclain/yard,amclain/yard,herosky/yard,alexdowad/yard,lsegal/yard,thomthom/yard,ohai/yard,jreinert/yard,herosky/yard,lsegal/yard,iankronquist/yard,ohai/yard,iankronquist/yard,thomthom/yard