public function format_shorttext($field)
    {
        $text = $this->current_row[$field];
        if (strlen($text) > 60) {
            // Not sure about multi-byte support and execution speed of this
            $a = explode(PHP_EOL, wordwrap($text, 28, PHP_EOL, true), 2);
            $b = explode(PHP_EOL, wordwrap(strrev($text), 28, PHP_EOL, true), 2);
            $text = $a[0].' ~~~ '.strrev($b[0]);
        }

        $this->current_row[$field] = $text;

        $this->setTDParam(
            $field,
            'title',
            $this->app->encodeHtmlChars(strip_tags($this->current_row[$field.'_original']), ENT_QUOTES)
        );
    }