docs: function stringifyArray( arr, indent ) {
    var hasMoreThanOneItem = arr.length > 1;
    if ( hasMoreThanOneItem ) {
      var out = '[';
      arr.forEach( function( itm, idx ) {
        if ( idx > 0 )
          out += ",";
        out += "\n" + indent + itm;
      });
      return out + "]";
    } else {
      return "[" + ( arr.length == 1 ? arr[0] : '' ) + "]";
    }
  }