rem: return this.select(function(value) { return !values.include(value); 
add: this.each(function(value, index) { if (!iterator(value, index)) results.push(value); 
context:     return this.select(function(value) {      return !values.include(value);    });
meta: 1164	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1164/cb2408a82c9bc93bef177dc33a8981bc36800839/prototype.js/buggy/tools/prototype.js