public function snippet($field, $tag = 'b', $separator = '...', $maxSize = 200, $maxNumber = 1, $fragmenter = self::SNIPPET_NO_FRAGMENTER) {
		if(empty($this->data['snippets'])) {
			$this->data['snippets'] = array();
		}
		$this->data['snippets'][] = array(
			'field' => $field,
			'tag' => $tag,
			'separator' => $separator,
			'maxSize' => $maxSize,
			'maxNumber' => $maxNumber,
			'fragmenter' => $fragmenter,
		);
		return $this;
	}