rem: Eater.prototype.doEat = function() { return this.food + 1; }; 
add: function doEat(self) { return self.food + 1; }); 
context:     Eater.prototype.doEat = function() {        return this.food + 1;    };
meta: 1565	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1565/f0728a2fda06afa35e19f889d078ab04458c095f/test_object.js/buggy/nevow/test/test_object.js