protected function toRtf()
	{
		$rtf = '';
		
		// if a word exists
		if ($this->word) {
			// if the word is ignored
			if ($this->isIgnored) {
				// prepend the ignored control symbol
				$rtf = '\\*';
			}
			// append the word and its parameter
			$rtf .= "\\{$this->word}{$this->parameter}";
			// if the word is space-delimited, append the space
			if ($this->isSpaceDelimited) {
				$rtf .= ' ';
			}	
		}
		
		return $rtf;
	}