private function getRenderer() {
        if(!is_object($this->renderInst)) {
            $class=self::$renderer;
            $this->renderInst=new $class();
        }
        
        return $this->renderInst;
    }
private function getRenderer() {
        if(!is_object($this->renderInst)) {
            $class=self::$renderer;
            $this->renderInst=new $class();
        }
        
        return $this->renderInst;
    }
private function getRenderer ( ) { if ( ! is_object ( $ this -> renderInst ) ) { $ class = self :: $ renderer ; $ this -> renderInst = new $ class ( ) ; } return $ this -> renderInst ; }
Gets the active mardown renderer
@return {IMarkdownRenderer} An implementation of IMarkdownRenderer
Gets the active mardown renderer