class RDoc::Markdown

def _Whitespace

Whitespace = (@Spacechar | @Newline) 
def _Whitespace
  _save = self.pos
  while true # choice
    _tmp = _Spacechar()
    break if _tmp
    self.pos = _save
    _tmp = _Newline()
    break if _tmp
    self.pos = _save
    break
  end # end choice
  set_failed_rule :_Whitespace unless _tmp
  return _tmp
end