Function unescape

MathBox/mathbox-bundle.js:41504–41506

* The inverse of `_.escape` this method converts the HTML entities * `&`, `<`, `>`, `"`, and `'` in `string` to their * corresponding characters. * * @static * @memberOf _ * @category Utilities * @param {string} string The string to unescape.

(string)

     * // => 'Fred, Barney & Pebbles'
     */
    function unescape(string) {
      return string == null ? '' : String(string).replace(reEscapedHtml, unescapeHtmlChar);
    }

    /**
     * Generates a unique ID. If `prefix` is provided the ID will be appended to it.