rem: if (qx.util.validator.isValidBoolean(vChecked)) { 
add: if (qx.util.Validation.isValidBoolean(vChecked)) { 
context: qx.ui.menu.MenuCheckBox = function(vLabel, vCommand, vChecked){  qx.ui.menu.MenuButton.call(this, vLabel, QxConst.IMAGE_BLANK, vCommand);  if (qx.util.validator.isValidBoolean(vChecked)) {    this.setChecked(vChecked);  };  this._iconObject.setAppearance("menu-check-box-icon");};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/cfcbb829f6fba5c885606fde737b1ad8b88fe740/QxMenuCheckBox.js/buggy/qooxdoo/source/script/widgets/QxMenuCheckBox.js