original_string: public function toRtf()
  	{
  		$rtf = '{';
  		
  		foreach ($this->children as $child) {
  			$rtf .= $child->format('rtf');
  		} 
  
  		$rtf .= '}';
  		
  		return $rtf;
  	}
code: public function toRtf()
  	{
  		$rtf = '{';
  		
  		foreach ($this->children as $child) {
  			$rtf .= $child->format('rtf');
  		} 
  
  		$rtf .= '}';
  		
  		return $rtf;
  	}
code_tokens: public function toRtf ( ) { $ rtf = '{' ; foreach ( $ this -> children as $ child ) { $ rtf .= $ child -> format ( 'rtf' ) ; } $ rtf .= '}' ; return $ rtf ; }
docstring: Returns the group as an rtf string
  
  @return  string
  @since  0.1.0
docstring_tokens: Returns the group as an rtf string