rem: }; 
add: } 
context: qx.Proto.selectPrevious = function(vItem){  var vIndex = this._items.indexOf(vItem);  if(vIndex == -1) {    return;  };  var i = 0;  var vLength = this._items.length;  // Find previous enabled item  vIndex = (vIndex - 1 + vLength) % vLength;  while(i < vLength && !this._items[vIndex].getEnabled())  {    vIndex = (vIndex - 1 + vLength) % vLength;    i++;  };  this._selectByIndex(vIndex);};
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