text: 
  /**
   * toString.
   */
  
  var toString = window.JSON
    ? JSON.stringify
    : function(_){ return String(_); };
  
  /**
   * Export `fmt`
   */
  
  module.exports = fmt;
  
  /**
   * Formatters
   */
  
  fmt.o = toString;
  fmt.s = String;
  fmt.d = parseInt;
  
  /**
   * Format the given `str`.
   *
   * @param {String} str
   * @param {...} args
   * @return {String}
   * @api public
   */
  
  function fmt(str){
    var args = [].slice.call(arguments, 1);
    var j = 0;
  
    return str.replace(/%([a-z])/gi, function(_, f){
      return fmt[f]
        ? fmt[f](args[j++])
        : _ + f;
    });
  }
  