rem: return this.inject([], function(array, value) { return array.concat(value.constructor == Array ? value.flatten() : [value]); 
add: this.each(function(value, index) { if (!iterator(value, index)) results.push(value); 
context:     return this.inject([], function(array, value) {      return array.concat(value.constructor == Array ?        value.flatten() : [value]);    });
meta: 3974	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3974/af9adbf17404d887f31369756326b0109da7ae2b/prototype.js/buggy/root/static/js/prototype.js