rem: this._ensureValidValue(); 
add: this._ensureValidValue(true); 
context: proto._onmousedown = function(e){  if (e.isNotLeftButton()) {    return;  };  this._ensureValidValue();    var vButton = e.getCurrentTarget();    vButton.setBorder(QxBorder.presets.inset);    vButton.addEventListener("mouseup", this._onmouseup, this);  vButton.addEventListener("mouseout", this._onmouseup, this);    this._intervalIncrease = vButton == this._upbutton;  this._resetIncrements();  this._increment();    this._textfield.selectAll();    this._timer.setInterval(this.getFirstInterval());  this._timer.start();};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/e5202f6e4fa1ed1853232b5fe97bbf92671bfb1e/QxSpinner.js/clean/qooxdoo/source/script/widgets/QxSpinner.js