rem: return w; 
add:  return w - spacing; 
context: proto._calculateChildrenDependWidth = function(vModifiedWidget, vHint) {  if (this.getOrientation() == "vertical") {    return QxWidget.prototype._calculateChildrenDependWidth.call(this, vModifiedWidget, vHint);  };    var w = 0;  var spacing = this.getSpacing();    var ch = this.getChildren();  var chl = ch.length;  var chc;    for (var i=0; i<chl; i++)  {    chc = ch[i];    w += chc.getMarginLeft() + chc.getAnyWidth() + chc.getMarginRight();        if (i!=chl-1) {      w += spacing;    };      };    return w;};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/abfc7d4fe8f274ad2b4b9393a50824f2f7a3b65d/QxBox.js/buggy/qooxdoo/source/script/widgets/QxBox.js