rem: this.modify(); 
add: if (aName == "LAST-MODIFIED") { this.mDirty = false; } else { this.modify(); } 
context:     setProperty: function (aName, aValue) {        this.modify();        this.mProperties.setProperty(aName.toUpperCase(), aValue);    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/5a309662101c38dcb8e988a93e53f92126abd498/calItemBase.js/buggy/calendar/base/src/calItemBase.js