rem: this.mPropsBoxObject.endUpdateBatch(); 
add: this.mPropsBoxObject.invalidate(); 
context:   cmdDeleteSelectedProperty: function()  {    this.mPropsBoxObject.beginUpdateBatch();    var style = this.getSelectedRule().style;    var propname = this.getSelectedProp();    style.removeProperty(propname);    this.mPropsBoxObject.endUpdateBatch();  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/79b253758f69ea7768c0d7d20503e57360db70dd/styleRules.js/buggy/extensions/inspector/resources/content/viewers/styleRules/styleRules.js