rem: return this.inject([], function(array, value) { return array.concat(value.constructor == Array ? value.flatten() : [value]); 
add: return this.select(function(value) { return value != undefined || value != null; 
context:     return this.inject([], function(array, value) {      return array.concat(value.constructor == Array ?        value.flatten() : [value]);    });
meta: 5150	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5150/44d85be227cc8496144d82df38b82dfcc1224861/prototype.js/clean/intermine/webapp/main/resources/main/js/prototype.js