rem: if (qx.util.validator.isValid(vButton)) { 
add: if (qx.util.Validation.isValid(vButton)) { 
context: qx.ui.pageview.AbstractPageViewPage = function(vButton){  qx.ui.layout.CanvasLayout.call(this);  if (qx.util.validator.isValid(vButton)) {    this.setButton(vButton);  };};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/cfcbb829f6fba5c885606fde737b1ad8b88fe740/QxCommonViewPage.js/buggy/qooxdoo/source/script/widgets/QxCommonViewPage.js