rem: this.setTitle(qx.util.validator.isValidString(vTitle) ? vTitle : vId); 
add: this.setTitle(qx.util.Validation.isValidString(vTitle) ? vTitle : vId); 
context: qx.renderer.theme.AppearanceTheme = function(vId, vTitle){  qx.core.Object.call(this);  this._appearances = {};  this.setId(vId);  this.setTitle(qx.util.validator.isValidString(vTitle) ? vTitle : vId);  qx.manager.object.AppearanceManager.registerTheme(this);};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/cfcbb829f6fba5c885606fde737b1ad8b88fe740/QxAppearanceTheme.js/buggy/qooxdoo/source/script/gui/QxAppearanceTheme.js