rem: return this.categoryName + "~" + this.startTime.toLocaleString() + " [" + this.level.toString() + "] " + this.message + this.LINE_SEP; 
add: return loggingEvent.categoryName + "~" + loggingEvent.startTime.toLocaleString() + " [" + loggingEvent.level.toString() + "] " + loggingEvent.message + this.LINE_SEP; 
context: 	format: function(loggingEvent) {		return this.categoryName + "~" + this.startTime.toLocaleString() + " [" + this.level.toString() + "] " + this.message + this.LINE_SEP;	},
meta: 2141	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2141/6e6acb2eab54809f5fcd7d00b303f14408fdac51/log4js.js/buggy/src/js/log4js.js